ocfs2: make ocfs2_alloc_handle() static

This is no longer used outside of journal.c

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 3ef1678..f070487 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -110,7 +110,7 @@
 	return status;
 }
 
-struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
+static struct ocfs2_journal_handle *ocfs2_alloc_handle(struct ocfs2_super *osb)
 {
 	struct ocfs2_journal_handle *retval = NULL;