Fixing -P <profile> startup flag, should fix orange from bug 276588 - dereference happens after the pre-increment flag :(

git-svn-id: svn://10.0.0.236/trunk@167908 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/toolkit/xre/nsAppRunner.cpp

@@ -331,7 +331,8 @@ enum ArgResult {
 static void RemoveArg(char **argv)
 {
   do {
-    *argv = *(++argv);
+    *argv = *(argv + 1);
+    ++argv;
   } while (*argv);
 
   --gArgc;