example/stb-imagedumper: add *.lossy.webp demo
diff --git a/example/stb-imagedumper/stb-imagedumper.c b/example/stb-imagedumper/stb-imagedumper.c
index 8ad2a51..31fadd0 100644
--- a/example/stb-imagedumper/stb-imagedumper.c
+++ b/example/stb-imagedumper/stb-imagedumper.c
@@ -293,6 +293,51 @@
 };
 const size_t g_src_len__mona_lisa_21_32_etc2_pkm = 400;
 
+const uint8_t g_src_ptr__mona_lisa_21_32_q90_lossy_webp[] = {
+    0x52, 0x49, 0x46, 0x46, 0xe2, 0x01, 0x00, 0x00, 0x57, 0x45, 0x42, 0x50,
+    0x56, 0x50, 0x38, 0x20, 0xd6, 0x01, 0x00, 0x00, 0xd0, 0x09, 0x00, 0x9d,
+    0x01, 0x2a, 0x15, 0x00, 0x20, 0x00, 0x3e, 0x31, 0x14, 0x88, 0x42, 0xa2,
+    0x21, 0x21, 0x18, 0x04, 0x00, 0x20, 0x03, 0x04, 0xb6, 0x00, 0x4e, 0x99,
+    0x42, 0x3f, 0x1b, 0xd5, 0x78, 0x42, 0x5c, 0xae, 0x00, 0x1b, 0x60, 0x39,
+    0xea, 0xb4, 0xd9, 0xb7, 0x97, 0x26, 0x13, 0xfd, 0x43, 0x18, 0x07, 0x8f,
+    0x74, 0xad, 0xad, 0x41, 0x4c, 0xa7, 0xc7, 0x62, 0x04, 0x89, 0x18, 0xdb,
+    0x50, 0x71, 0x72, 0xeb, 0x5a, 0xf3, 0x8c, 0x59, 0x60, 0x61, 0x45, 0x47,
+    0xc9, 0x94, 0x1c, 0xcb, 0x6e, 0x72, 0x8c, 0x37, 0x2e, 0x5a, 0x40, 0x00,
+    0xfe, 0x27, 0x6f, 0x6a, 0xd7, 0x61, 0x77, 0x45, 0xb5, 0x74, 0x81, 0x0e,
+    0xb3, 0x86, 0x35, 0xc8, 0x16, 0x8c, 0xd7, 0xca, 0x34, 0xc3, 0xba, 0xb2,
+    0x0f, 0x6e, 0x22, 0x0e, 0x66, 0x81, 0x70, 0x63, 0xbf, 0x7c, 0x4f, 0xb1,
+    0xcd, 0x06, 0x6c, 0x18, 0x39, 0xc3, 0xf9, 0x3f, 0xdd, 0xb6, 0xe1, 0x33,
+    0xed, 0x55, 0xca, 0x5b, 0xb5, 0xba, 0xf2, 0x6d, 0xc6, 0x21, 0x00, 0x06,
+    0x43, 0xfd, 0x1d, 0xd9, 0xa3, 0x6f, 0x95, 0x2d, 0xb8, 0x07, 0xe7, 0x59,
+    0x76, 0x95, 0x0b, 0xfb, 0xf9, 0xff, 0xa7, 0x6e, 0xee, 0x6b, 0xe6, 0xd7,
+    0x8b, 0xa2, 0x27, 0x71, 0x19, 0xb2, 0x18, 0x2f, 0x73, 0x7d, 0xbc, 0xdc,
+    0x07, 0x6d, 0x99, 0x4d, 0xf7, 0xf0, 0xce, 0x46, 0x8e, 0x83, 0x83, 0xff,
+    0x89, 0xbb, 0xc6, 0x22, 0x76, 0x9c, 0xb3, 0xa1, 0x2c, 0xd4, 0xd9, 0x78,
+    0x53, 0xc5, 0x5c, 0x7a, 0xd3, 0x12, 0xea, 0x85, 0x71, 0x08, 0x58, 0x20,
+    0xe9, 0xa1, 0x8e, 0xa7, 0xb9, 0x4b, 0x8b, 0x3b, 0x82, 0x7b, 0x7e, 0x37,
+    0x5d, 0x7a, 0xa6, 0x17, 0xe3, 0x15, 0x23, 0x8e, 0xa4, 0xd2, 0x1d, 0xff,
+    0xf4, 0x12, 0x65, 0x29, 0xf4, 0xf0, 0x74, 0x4f, 0xed, 0xfe, 0xf9, 0xc9,
+    0x3f, 0x70, 0x6b, 0x33, 0x53, 0x5b, 0xef, 0xcf, 0xf9, 0x3d, 0x6f, 0x98,
+    0x8b, 0xc1, 0x61, 0x5f, 0x12, 0xbe, 0x65, 0x9b, 0x8e, 0xc4, 0xd7, 0xe3,
+    0x78, 0xaf, 0x49, 0x6f, 0xee, 0xbf, 0xee, 0x48, 0xdd, 0xb3, 0x3a, 0x2c,
+    0x74, 0xb8, 0x3f, 0x5e, 0x24, 0x47, 0x2a, 0x59, 0x5d, 0x1d, 0xf7, 0x96,
+    0x22, 0x99, 0x61, 0x2f, 0xf9, 0x08, 0xd7, 0xd0, 0xb4, 0x17, 0xa0, 0xbf,
+    0x07, 0xb7, 0xc5, 0xa2, 0xfc, 0xf5, 0x7d, 0x86, 0x52, 0x9c, 0x8c, 0x95,
+    0x1c, 0xa2, 0xb1, 0x98, 0x1c, 0xea, 0xff, 0x74, 0xd7, 0x16, 0x8f, 0xff,
+    0x09, 0xf8, 0x90, 0x1e, 0x27, 0x2d, 0x77, 0x4a, 0x2f, 0x64, 0xe9, 0x0a,
+    0x06, 0xa8, 0xa6, 0x59, 0xba, 0x62, 0x3a, 0xbd, 0xf6, 0x9b, 0xff, 0xdf,
+    0xff, 0x3d, 0x01, 0xce, 0x68, 0x06, 0xc9, 0x67, 0x51, 0x5c, 0xc6, 0x2a,
+    0x06, 0x9d, 0xb7, 0xa4, 0xbe, 0x62, 0x7d, 0x6b, 0x4c, 0xe6, 0x29, 0x9f,
+    0xf2, 0x97, 0xaf, 0x19, 0x7b, 0x68, 0x15, 0xfd, 0xab, 0xe3, 0xba, 0xf6,
+    0xca, 0x7b, 0x30, 0x33, 0x88, 0x2e, 0x6a, 0x4d, 0xd9, 0xff, 0xec, 0x7b,
+    0x7b, 0x48, 0xe4, 0xdc, 0x19, 0x7e, 0xa9, 0x40, 0xd4, 0x27, 0x2d, 0xfd,
+    0x84, 0x55, 0xb5, 0xd0, 0x78, 0x15, 0xa9, 0x8e, 0xe7, 0xdc, 0x92, 0xac,
+    0x14, 0xaa, 0x35, 0x0b, 0xce, 0x01, 0xa2, 0xac, 0x8a, 0xe3, 0x9b, 0x48,
+    0xb5, 0x10, 0x6f, 0x77, 0x9d, 0xce, 0xda, 0x61, 0x69, 0x71, 0xdb, 0x69,
+    0xf0, 0x84, 0x36, 0x9a, 0x3e, 0x58, 0x52, 0xe0, 0x00, 0x00,
+};
+const size_t g_src_len__mona_lisa_21_32_q90_lossy_webp = 490;
+
 const uint8_t g_src_ptr__mona_lisa_21_32_q50_jpeg[] = {
     0xff, 0xd8, 0xff, 0xe0, 0x00, 0x10, 0x4a, 0x46, 0x49, 0x46, 0x00, 0x01,
     0x01, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0xff, 0xdb, 0x00, 0x43,
@@ -1130,6 +1175,11 @@
           g_src_len__mona_lisa_21_32_etc2_pkm,
       },
       {
+          "«demo»/mona-lisa.21x32.q90.lossy.webp",
+          g_src_ptr__mona_lisa_21_32_q90_lossy_webp,
+          g_src_len__mona_lisa_21_32_q90_lossy_webp,
+      },
+      {
           "«demo»/mona-lisa.21x32.q50.jpeg",
           g_src_ptr__mona_lisa_21_32_q50_jpeg,
           g_src_len__mona_lisa_21_32_q50_jpeg,