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>
diff --git a/genl/genl_utils.h b/genl/genl_utils.h
index 22e9210..85b5183 100644
--- a/genl/genl_utils.h
+++ b/genl/genl_utils.h
@@ -1,6 +1,7 @@
 #ifndef _TC_UTIL_H_
 #define _TC_UTIL_H_ 1
 
+#include "utils.h"
 #include "linux/genetlink.h"
 
 struct genl_util
@@ -13,10 +14,4 @@
 
 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
diff --git a/include/utils.h b/include/utils.h
index a4133c9..1769ca1 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -127,6 +127,12 @@
 	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]))