Improve SIMD detection with Visual Studio

Visual Studio can use GCC (for Android) and Clang (supported toolset) so they must be checked before native compiler.
Signed-off-by: Erik de Castro Lopo <erikd@mega-nerd.com>

src/libFLAC/include/private/cpu.h

@@ -76,21 +76,6 @@
     #define FLAC__AVX2_SUPPORTED 1
     #define FLAC__FMA_SUPPORTED 1
   #endif
-#elif defined _MSC_VER
-  #define FLAC__SSE_TARGET(x)
-  #define FLAC__SSE_SUPPORTED 1
-  #define FLAC__SSE2_SUPPORTED 1
-  #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
-    #define FLAC__SSSE3_SUPPORTED 1
-    #define FLAC__SSE4_1_SUPPORTED 1
-  #endif
-  #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
-    #define FLAC__AVX_SUPPORTED 1
-  #endif
-  #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
-    #define FLAC__AVX2_SUPPORTED 1
-    #define FLAC__FMA_SUPPORTED 1
-  #endif
 #elif defined __clang__ && __has_attribute(__target__) /* clang */
   #define FLAC__SSE_TARGET(x) __attribute__ ((__target__ (x)))
   #if __has_builtin(__builtin_ia32_maxps)
@@ -119,6 +104,21 @@
     #define FLAC__AVX2_SUPPORTED 1
     #define FLAC__FMA_SUPPORTED 1
   #endif
+#elif defined _MSC_VER
+  #define FLAC__SSE_TARGET(x)
+  #define FLAC__SSE_SUPPORTED 1
+  #define FLAC__SSE2_SUPPORTED 1
+  #if (_MSC_VER >= 1500) /* MS Visual Studio 2008 */
+    #define FLAC__SSSE3_SUPPORTED 1
+    #define FLAC__SSE4_1_SUPPORTED 1
+  #endif
+  #if (_MSC_FULL_VER >= 160040219) /* MS Visual Studio 2010 SP1 */
+    #define FLAC__AVX_SUPPORTED 1
+  #endif
+  #if (_MSC_VER >= 1700) /* MS Visual Studio 2012 */
+    #define FLAC__AVX2_SUPPORTED 1
+    #define FLAC__FMA_SUPPORTED 1
+  #endif
 #else
   #define FLAC__SSE_TARGET(x)
   #ifdef __SSE__