Clean up the sleep()'s after poking init services

Change-Id: I77564fe5c59e604f1377b278681b7d1bff53a77a
diff --git a/ui.cpp b/ui.cpp
index d88cbfe..2efb759 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -176,7 +176,7 @@
           case RecoveryUI::REBOOT:
             if (reboot_enabled) {
                 property_set(ANDROID_RB_PROPERTY, "reboot,");
-                while(1) { pause(); }
+                while (true) { pause(); }
             }
             break;