[GCC4] fix build error in drivers/media/video/videodev.c

[GCC4] fix build error in drivers/media/video/videodev.c

This patch fixes this error :
videodev.c:636: error: static declaration of 'video_fops' follows non-static declaration
videodev.c:492: error: previous declaration of 'video_fops' was here
make[4]: *** [videodev.o] Error 1
make[4]: Leaving directory `/usr/src/git/linux-2.4/drivers/media/video'
make[3]: *** [first_rule] Error 2
make[3]: Leaving directory `/usr/src/git/linux-2.4/drivers/media/video'
make[2]: *** [_subdir_video] Error 2
make[2]: Leaving directory `/usr/src/git/linux-2.4/drivers/media'
make[1]: *** [_subdir_media] Error 2
make[1]: Leaving directory `/usr/src/git/linux-2.4/drivers'
make: *** [_dir_drivers] Error 2