[GFS2] make gfs2_glock_hold() static

gfs2_glock_hold() can now become static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 5752dec..befcda0 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -197,7 +197,7 @@
  *
  */
 
-void gfs2_glock_hold(struct gfs2_glock *gl)
+static void gfs2_glock_hold(struct gfs2_glock *gl)
 {
 	atomic_inc(&gl->gl_ref);
 }