sdl: fixed a bug introduced in r1744; i think qeed committed changes to an older version of the file or something; all is well now

the bug slowed the emulation speed down to 2%

src/drivers/sdl/input.cpp

@@ -379,11 +379,11 @@ KeyboardCommands()
     
     char* movie_fname = "";
     // get the keyboard input
+    #if SDL_VERSION_ATLEAST(1, 3, 0)	 
+    g_keyState = SDL_GetKeyboardState(NULL);	 
+    #else
     g_keyState = SDL_GetKeyState(NULL);
-    if (g_keyState[SDLK_BACKQUOTE])
-        IncreaseEmulationSpeed();
-    else
-        DecreaseEmulationSpeed();
+	#endif
 
     // check if the family keyboard is enabled
     if(InputType[2] == SIFC_FKB) {