perf evlist: Make splice_list_tail method public

Making perf_evlist__splice_list_tail globaly accessible.

It is used in the upcomming paches.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1327674868-10486-2-git-send-email-jolsa@redhat.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index a6d50e3..a57a8cf 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -97,9 +97,9 @@
 	++evlist->nr_entries;
 }
 
-static void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
-					  struct list_head *list,
-					  int nr_entries)
+void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
+				   struct list_head *list,
+				   int nr_entries)
 {
 	list_splice_tail(list, &evlist->entries);
 	evlist->nr_entries += nr_entries;