[JFFS2] Whitespace cleanups.

Convert many spaces to tabs; one or two other minor cosmetic fixes.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/fs/jffs2/background.c b/fs/jffs2/background.c
index 39bd6c7..8754b27 100644
--- a/fs/jffs2/background.c
+++ b/fs/jffs2/background.c
@@ -23,8 +23,8 @@
 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c)
 {
 	spin_lock(&c->erase_completion_lock);
-        if (c->gc_task && jffs2_thread_should_wake(c))
-                send_sig(SIGHUP, c->gc_task, 1);
+	if (c->gc_task && jffs2_thread_should_wake(c))
+		send_sig(SIGHUP, c->gc_task, 1);
 	spin_unlock(&c->erase_completion_lock);
 }