ext/RMagick/rmmain.c in rmagick-4.1.1 vs ext/RMagick/rmmain.c in rmagick-4.1.2

@@ -16,12 +16,12 @@
 
 #if defined(HAVE_SETMAGICKALIGNEDMEMORYMETHODS) && defined(HAVE_RB_GC_ADJUST_MEMORY_USAGE)
     #if defined(HAVE_POSIX_MEMALIGN) || defined(HAVE__ALIGNED_MSIZE)
         #define USE_RM_ALIGNED_MALLOC 1
 
-        #if defined(HAVE_MALLOC_USABLE_SIZE)
+        #if defined(HAVE_MALLOC_H)
             #include <malloc.h>
-        #elif defined(HAVE_MALLOC_SIZE)
+        #elif defined(HAVE_MALLOC_MALLOC_H)
             #include <malloc/malloc.h>
         #endif
     #endif
 #endif