mac: Fix a few compile errors with the 10.8 SDK

remoting/host/installer/mac/uninstaller/remoting_uninstaller_app.mm

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/host/installer/mac/uninstaller/remoting_uninstaller_app.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_cftyperef.h"
 #include "remoting/host/installer/mac/uninstaller/remoting_uninstaller.h"
 
 @implementation RemotingUninstallerAppDelegate
 
 - (void)dealloc {
   [super dealloc];
 }
 
 - (void)applicationDidFinishLaunching:(NSNotification*)aNotification {
 }
 
 - (void)showSuccess:(bool)success withMessage:(NSString*) message {
   NSString* summary = success ? @"Uninstall succeeded" : @"Uninstall failed";
   NSAlert* alert = [NSAlert alertWithMessageText:summary
                                    defaultButton:@"OK"
                                  alternateButton:nil
                                      otherButton:nil
-                       informativeTextWithFormat:message];
+                       informativeTextWithFormat:@"%@", message];
   [alert runModal];
 }
 
 - (IBAction)uninstall:(NSButton*)sender {
   @try {
     NSLog(@"Chrome Remote Desktop uninstall starting.");
 
     RemotingUninstaller* uninstaller =
         [[[RemotingUninstaller alloc] init] autorelease];
     OSStatus status = [uninstaller remotingUninstall];
@@ skipping 54 matching lines @@
 
       NSLog(@"Chrome Remote Desktop Host uninstall complete.");
       NSLog(@"Status = %ld", status);
       return status != errAuthorizationSuccess;
     }
   } else {
     return NSApplicationMain(argc, (const char**)argv);
   }
 }