defaults: drop trailing whitespaces

defaults/initrd.scripts

@@ -117,9 +117,9 @@ call_func_timeout()
 	( ${func} ) & pid=$!
 	( sleep ${timeout} && kill -HUP ${pid} ) 2>/dev/null & watcher=$!
 	if wait ${pid} 2>/dev/null; then
-	    kill -HUP $watcher 2> /dev/null
+		kill -HUP $watcher 2> /dev/null
-	    wait $watcher 2>/dev/null
+		wait $watcher 2>/dev/null
-	    return 1
+		return 1
 	fi
 
 	return 0