Update Emscripten version macros to use uppercase variants.

PiperOrigin-RevId: 904570769
Change-Id: I040c6b64e6f3dcdb39660454f89aeb8635468722

absl/base/config.h

diff --git a/absl/base/config.h b/absl/base/config.h
index b707654..d4a7bfb 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -882,16 +882,16 @@
 #endif
 #ifdef __EMSCRIPTEN__
 #include <emscripten/version.h>
-#ifdef __EMSCRIPTEN_major__
-#if __EMSCRIPTEN_minor__ >= 1000
-#error __EMSCRIPTEN_minor__ is too big to fit in ABSL_INTERNAL_EMSCRIPTEN_VERSION
+#ifdef __EMSCRIPTEN_MAJOR__
+#if __EMSCRIPTEN_MINOR__ >= 1000
+#error __EMSCRIPTEN_MINOR__ is too big to fit in ABSL_INTERNAL_EMSCRIPTEN_VERSION
 #endif
-#if __EMSCRIPTEN_tiny__ >= 1000
-#error __EMSCRIPTEN_tiny__ is too big to fit in ABSL_INTERNAL_EMSCRIPTEN_VERSION
+#if __EMSCRIPTEN_TINY__ >= 1000
+#error __EMSCRIPTEN_TINY__ is too big to fit in ABSL_INTERNAL_EMSCRIPTEN_VERSION
 #endif
 #define ABSL_INTERNAL_EMSCRIPTEN_VERSION                              \
-  ((__EMSCRIPTEN_major__) * 1000000 + (__EMSCRIPTEN_minor__) * 1000 + \
-   (__EMSCRIPTEN_tiny__))
+  ((__EMSCRIPTEN_MAJOR__) * 1000000 + (__EMSCRIPTEN_MINOR__) * 1000 + \
+   (__EMSCRIPTEN_TINY__))
 #endif
 #endif