Fix a stupid mistake in my implementation of Indy3's alternate wait_for_message.

Unlike the o5_wait() version, we don't read any data, so there's no need to reset the script pointer.

svn-id: r5483

scumm/script_v1.cpp

@@ -1936,7 +1936,6 @@ void Scumm::o5_soundKludge()
                         	return;
 		}
 
-                _scriptPointer--;
 		o5_breakHere();
 	}