rename STBI_X86_TARGET to STBI__X86_TARGET

stb_image.h

@@ -145,6 +145,7 @@
    Latest revision history:
       2.03  (2015-04-12) additional corruption checking
                          stbi_set_flip_vertically_on_load
+                         fix NEON support; fix mingw support
       2.02  (2015-01-19) fix incorrect assert, fix warning
       2.01  (2015-01-17) fix various warnings
       2.00b (2014-12-25) fix STBI_MALLOC in progressive JPEG
@@ -633,10 +634,10 @@ typedef unsigned char validate_uint32[sizeof(stbi__uint32)==4 ? 1 : -1];
 
 // x86/x64 detection
 #if defined(__x86_64__) || defined(_M_X64) || defined(__i386) || defined(_M_IX86)
-#define STBI_X86_TARGET
+#define STBI__X86_TARGET
 #endif
 
-#if defined(__GNUC__) && defined(STBI_X86_TARGET) && !defined(__SSE2__) && !defined(STBI_NO_SIMD)
+#if defined(__GNUC__) && defined(STBI__X86_TARGET) && !defined(__SSE2__) && !defined(STBI_NO_SIMD)
 // gcc doesn't support sse2 intrinsics unless you compile with -msse2,
 // (but compiling with -msse2 allows the compiler to use SSE2 everywhere;
 // this is just broken and gcc are jerks for not fixing it properly
@@ -644,7 +645,7 @@ typedef unsigned char validate_uint32[sizeof(stbi__uint32)==4 ? 1 : -1];
 #define STBI_NO_SIMD
 #endif
 
-#if defined(__MINGW32__) && defined(STBI_X86_TARGET) && !defined(STBI_MINGW_ENABLE_SSE2) && !defined(STBI_NO_SIMD)
+#if defined(__MINGW32__) && defined(STBI__X86_TARGET) && !defined(STBI_MINGW_ENABLE_SSE2) && !defined(STBI_NO_SIMD)
 // 32-bit MinGW wants ESP to be 16-byte aligned, but this is not in the
 // Windows ABI and VC++ as well as Windows DLLs don't maintain that invariant.
 // As a result, enabling SSE2 on 32-bit MinGW is dangerous when not
@@ -657,7 +658,7 @@ typedef unsigned char validate_uint32[sizeof(stbi__uint32)==4 ? 1 : -1];
 #define STBI_NO_SIMD
 #endif
 
-#if !defined(STBI_NO_SIMD) && defined(STBI_X86_TARGET)
+#if !defined(STBI_NO_SIMD) && defined(STBI__X86_TARGET)
 #define STBI_SSE2
 #include <emmintrin.h>
 
@@ -6288,6 +6289,7 @@ STBIDEF int stbi_info_from_callbacks(stbi_io_callbacks const *c, void *user, int
    revision history:
       2.03  (2015-04-12) extra corruption checking (mmozeiko)
                          stbi_set_flip_vertically_on_load (nguillemot)
+                         fix NEON support; fix mingw support
       2.02  (2015-01-19) fix incorrect assert, fix warning
       2.01  (2015-01-17) fix various warnings; suppress SIMD on gcc 32-bit without -msse2
       2.00b (2014-12-25) fix STBI_MALLOC in progressive JPEG