clang-format-3.5 **/*.h **/*.c

This should be the last commit that formats a big bunch of files. From
here on, whenever I merge patches, I’ll run clang-format like described
in the title.

i3bar/src/ipc.c

@@ -67,7 +67,7 @@ void got_output_reply(char *reply) {
     reconfig_windows(false);
 
     i3_output *o_walk;
-    SLIST_FOREACH (o_walk, outputs, slist) {
+    SLIST_FOREACH(o_walk, outputs, slist) {
         kick_tray_clients(o_walk);
     }