mesh_plink: fixup type of timeout to match usage

timeout was being passed as int but assigned from u32/u16 values and used
as unsigned type. This is really only for better readability.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/mesh_plink.c

@@ -621,7 +621,7 @@ static void mesh_plink_timer(unsigned long data)
 				    sta->llid, sta->plid, reason);
 }
 
-static inline void mesh_plink_timer_set(struct sta_info *sta, int timeout)
+static inline void mesh_plink_timer_set(struct sta_info *sta, u32 timeout)
 {
 	sta->plink_timer.expires = jiffies + msecs_to_jiffies(timeout);
 	sta->plink_timer.data = (unsigned long) sta;