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

code/renderer/tr_shader.c

@@ -43,6 +43,7 @@ static char **shaderTextHashTable[MAX_SHADERTEXT_HASH];
 return a hash value for the filename
 ================
 */
+#warning TODO: check if long is ok here
 static long generateHashValue( const char *fname, const int size ) {
 	int		i;
 	long	hash;