patch: fix "invalid option -N (-h will show valid options)" to run rubycocoa apps on Xcode-4

gistfile1

diff -ur old/main.m new/main.m
--- old/main.m	2011-11-19 15:49:58.000000000 +0900
+++ new/main.m	2011-11-19 15:49:16.000000000 +0900
@@ -11,5 +11,6 @@
 
 int main(int argc, const char *argv[])
 {
-    return RBApplicationMain("rb_main.rb", argc, argv);
+    RBApplicationInit("rb_main.rb", argc, argv, nil);
+    return NSApplicationMain(argc, argv);
 }
diff -ur old/rb_main.rb new/rb_main.rb
--- old/rb_main.rb	2011-11-19 15:49:58.000000000 +0900
+++ new/rb_main.rb	2011-11-19 15:49:16.000000000 +0900
@@ -17,7 +17,4 @@
   end
 end
 
-if $0 == __FILE__ then
-  rb_main_init
-  OSX.NSApplicationMain(0, nil)
-end
+rb_main_init