Follow up r15863. As suggested by xazax I've replaced long with inptr since it seems to fit the purpose better.

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@15865 54d463be-8e91-2dee-dedb-b68131a5f0ec

src/map/config/const.h

@@ -68,7 +68,7 @@
 
 
 #ifdef __64BIT__
-	#define __64BPRTSIZE(y) (long)y
+	#define __64BPRTSIZE(y) (intptr)y
 #else
 	#define __64BPRTSIZE(y) y
 #endif