treewide: remove extra semicolons

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index c384d63..c4feced 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -3707,7 +3707,7 @@
 	context->cow_start = cow_start;
 	context->cow_len = cow_len;
 	context->ref_tree = ref_tree;
-	context->ref_root_bh = ref_root_bh;;
+	context->ref_root_bh = ref_root_bh;
 	context->cow_object = xv;
 
 	context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_jbd;