FIX: using <sys/malloc.h> instead of <malloc.h> when compiling to 64bit macOS version

Author: Oldes

src/core/u-rsa.c

@@ -41,7 +41,7 @@
 #include <time.h>
 #include <stdlib.h>
 
-#if defined(TO_OSXI) || defined(TO_OSX)
+#if defined(TO_OSX_X64) || defined(TO_OSXI) || defined(TO_OSX)
 	#include <sys/malloc.h>
 #else
 	#include <malloc.h>