Fix crash when press save replay key when it's not initialized.

src/input/input_manager.cpp

@@ -367,7 +367,7 @@ void InputManager::handleStaticAction(int key, int value)
         case KEY_F10:
             if(world && value)
             {
-                if(control_is_pressed && ReplayRecorder::get())
+                if(control_is_pressed)
                     ReplayRecorder::get()->save();
                 else
                     history->Save();

src/replay/replay_recorder.cpp

@@ -39,6 +39,8 @@ ReplayRecorder *ReplayRecorder::m_replay_recorder = NULL;
  */
 ReplayRecorder::ReplayRecorder()
 {
+    m_complete_replay = false;
+    m_incorrect_replay = false;
 }   // ReplayRecorder
 
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