Reverted r3255:3256. Don't actually need it unless the build is broken. :)

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402525

src/stdlib/SDL_malloc.c

@@ -610,6 +610,7 @@ DEFAULT_MMAP_THRESHOLD       default: 256K
 #endif /* MALLINFO_FIELD_TYPE */
 
 #define memset	SDL_memset
+#define memcpy	SDL_memcpy
 #define malloc	SDL_malloc
 #define calloc	SDL_calloc
 #define realloc	SDL_realloc
@@ -3912,7 +3913,7 @@ internal_realloc(mstate m, void *oldmem, size_t bytes)
             void *newmem = internal_malloc(m, bytes);
             if (newmem != 0) {
                 size_t oc = oldsize - overhead_for(oldp);
-                SDL_memcpy(newmem, oldmem, (oc < bytes) ? oc : bytes);
+                memcpy(newmem, oldmem, (oc < bytes) ? oc : bytes);
                 internal_free(m, oldmem);
             }
             return newmem;