64-bit cleanup: UINT4 defined as unsigned int instead of unsigned long

md5global.h

@@ -23,7 +23,7 @@ typedef unsigned char *POINTER;
 typedef unsigned short int UINT2;
 
 /* UINT4 defines a four byte word */
-typedef unsigned long int UINT4;
+typedef unsigned int UINT4;
 
 /* PROTO_LIST is defined depending on how PROTOTYPES is defined above.
 If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it