mingw compile fixes (vid_wgl.c isn't the right thing)

libs/audio/cd/cd_win.c

@@ -65,6 +65,8 @@ static byte maxTrack;
 
 UINT        wDeviceID;
 
+void I_CDAudio_Play (byte track, qboolean looping);
+void I_CDAudio_Stop (void);
 
 static void
 I_CDAudio_CloseDoor (void)

libs/video/targets/vid_wgl.c

@@ -836,7 +836,7 @@ MainWndProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
 			break;
 
 		case MM_MCINOTIFY:
-			lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
+			//FIXME lRet = CDAudio_MessageHandler (hWnd, uMsg, wParam, lParam);
 			break;
 
 		default: