Merge branch 'jc/cocci-preincr' into maint

Code cleanup.

* jc/cocci-preincr:
  fsck: s/++i > 1/i++/
  cocci: simplify "if (++u > 1)" to "if (u++)"

contrib/coccinelle/preincr.cocci

@@ -0,0 +1,5 @@
+@ preincrement @
+identifier i;
+@@
+- ++i > 1
++ i++

fsck.c

@@ -485,7 +485,7 @@ static int fsck_walk_commit(struct commit *commit, void *data, struct fsck_optio
 		if (name) {
 			struct object *obj = &parents->item->object;
 
-			if (++counter > 1)
+			if (counter++)
 				put_object_name(options, obj, "%s^%d",
 					name, counter);
 			else if (generation > 0)