Ludwig's 1st diff: Some 64bit fixes for x86_64. Also fixes Makefile build.

code/qcommon/md4.c

@@ -12,7 +12,7 @@ typedef unsigned char *POINTER;
 typedef unsigned short int UINT2;
 
 /* UINT4 defines a four byte word */
-typedef unsigned long int UINT4;
+typedef unsigned int UINT4;
 
   
 /* MD4.H - header file for MD4C.C */