[GFS2] Change all types to uX style

This makes all fixed size types have consistent names.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/locking/dlm/thread.c b/fs/gfs2/locking/dlm/thread.c
index a782246..d4895ec 100644
--- a/fs/gfs2/locking/dlm/thread.c
+++ b/fs/gfs2/locking/dlm/thread.c
@@ -48,7 +48,7 @@
 {
 	struct gdlm_ls *ls = lp->ls;
 	struct lm_async_cb acb;
-	int16_t prev_mode = lp->cur;
+	s16 prev_mode = lp->cur;
 
 	memset(&acb, 0, sizeof(acb));