[DCCP]: Make struct dccp_li_cachep static.

Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/dccp/ccids/lib/loss_interval.c

@@ -27,7 +27,7 @@ struct dccp_li_hist_entry {
 	u32		 dccplih_interval;
 };
 
-struct kmem_cache *dccp_li_cachep __read_mostly;
+static struct kmem_cache *dccp_li_cachep __read_mostly;
 
 static inline struct dccp_li_hist_entry *dccp_li_hist_entry_new(const gfp_t prio)
 {