Made tick counter and framerate limiter work during login sequence

Much code was moved from main() to the new Client::exec(). This new
event loop now integrates with the Game class, so that the tick counter
and framerate limiter apply universally.

The Client class is also responsible for some things that used to be
global variables.

Mantis-issue: ...

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/login.h b/src/gui/login.h
index b26ba776..93bae338 100644
--- a/src/gui/login.h
+++ b/src/gui/login.h
@@ -66,7 +66,7 @@ class LoginDialog : public Window, public gcn::ActionListener,
          * Returns whether submit can be enabled. This is true in the login
          * state, when all necessary fields have some text.
          */
-        bool canSubmit();
+        bool canSubmit() const;
 
         gcn::TextField *mUserField;
         gcn::TextField *mPassField;