AppRTCDemo(ios): style/cleanup fixes following cr/62871616-p10

BUG=2168
R=noahric@google.com

Review URL: https://webrtc-codereview.appspot.com/9709004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5768 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/ios/AppRTCDemo/main.m b/talk/examples/ios/AppRTCDemo/main.m
index bf35f4c..e9a1f63 100644
--- a/talk/examples/ios/AppRTCDemo/main.m
+++ b/talk/examples/ios/AppRTCDemo/main.m
@@ -29,7 +29,7 @@
 
 #import "APPRTCAppDelegate.h"
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   @autoreleasepool {
     return UIApplicationMain(
         argc, argv, nil, NSStringFromClass([APPRTCAppDelegate class]));