make muticast group to bitmask conversion generic

[utils] make muticast group to bitmask conversion generic
Signed-off-by: J Hadi Salim <hadi@cyberus.ca>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

genl/genl_utils.h

 #ifndef _TC_UTIL_H_
 #define _TC_UTIL_H_ 1
 
+#include "utils.h"
 #include "linux/genetlink.h"
 
 struct genl_util
@@ -13,10 +14,4 @@ struct genl_util
 
 extern int genl_ctrl_resolve_family(const char *family);
 
-/* seems to have dissapeared from netlink.h */
-static inline __u32 nl_mgrp(__u32 group)
-{
-	return group ? (1 << (group -1)) : 0;
-}
-
 #endif

include/utils.h

@@ -127,6 +127,12 @@ static __inline__ int get_user_hz(void)
 	return __iproute2_user_hz_internal;
 }
 
+static inline __u32 nl_mgrp(__u32 group)
+{
+	return group ? (1 << (group -1)) : 0;
+}
+
+
 int print_timestamp(FILE *fp);
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))