Unbreak build with gcc on macOS

(cherry picked from commit a2c6c89)

Author: barracuda156

src/codecs/music_opus.c

@@ -60,11 +60,11 @@ static opus_loader opus;
     if (opus.FUNC == NULL) { Mix_SetError("Missing opus.framework"); return -1; }
 #endif
 
-static int OPUS_Load(void)
 #ifdef __APPLE__
     /* Need to turn off optimizations so weak framework load check works */
     __attribute__ ((optnone))
 #endif
+static int OPUS_Load(void)
 {
     if (opus.loaded == 0) {
 #ifdef OPUS_DYNAMIC

src/codecs/music_wavpack.c

@@ -96,11 +96,11 @@ static wavpack_loader wvpk;
     if (wvpk.FUNC == NULL) { Mix_SetError("Missing wavpack.framework"); return -1; }
 #endif
 
-static int WAVPACK_Load(void)
 #ifdef __APPLE__
     /* Need to turn off optimizations so weak framework load check works */
     __attribute__ ((optnone))
 #endif
+static int WAVPACK_Load(void)
 {
     if (wvpk.loaded == 0) {
 #ifdef WAVPACK_DYNAMIC

src/codecs/music_xmp.c

@@ -76,11 +76,11 @@ static xmp_loader libxmp;
     if (libxmp.FUNC == NULL) { Mix_SetError("Missing xmp.framework"); return -1; }
 #endif
 
-static int XMP_Load(void)
 #ifdef __APPLE__
     /* Need to turn off optimizations so weak framework load check works */
     __attribute__ ((optnone))
 #endif
+static int XMP_Load(void)
 {
     if (libxmp.loaded == 0) {
 #ifdef XMP_DYNAMIC