[libpng16] Remove one remaining "png_handler." from contrib/oss-fuzz/*.cc
diff --git a/contrib/oss-fuzz/libpng_read_fuzzer.cc b/contrib/oss-fuzz/libpng_read_fuzzer.cc
index 2e8229d..9135a03 100644
--- a/contrib/oss-fuzz/libpng_read_fuzzer.cc
+++ b/contrib/oss-fuzz/libpng_read_fuzzer.cc
@@ -43,7 +43,7 @@
     else if (info_ptr) 
       png_destroy_read_struct(&png_ptr, &info_ptr, nullptr);
     else
-      png_destroy_read_struct(&png_handler.png_ptr, nullptr, nullptr);
+      png_destroy_read_struct(&png_ptr, nullptr, nullptr);
     delete buf_state;
   }
 };