fbdev: fix -Wextra build warnings

[Randy Dunlap]

This patch series fixes warnings in fbdev that are found when
-Wextra is used. In fixing these, there were a few other build
errors discovered (mostly caused by bitrot) and fixed.

[PATCH 1/6] fbdev: fbmon: fix -Wextra build warnings
[PATCH 2/6] fbdev: aty: fix -Wextra build warning
[PATCH 3/6] fbdev: matrox: fix -Wextra build warnings
[PATCH 4/6] fbdev: savage: fix -Wextra build warning
[PATCH 5/6] fbdev: pm[23]fb.c: fix -Wextra build warnings and errors
[PATCH 6/6] fbdev: via: fix -Wextra build warning and format warning

 drivers/video/fbdev/aty/atyfb_base.c       |    2 +-
 drivers/video/fbdev/core/fbmon.c           |    2 +-
 drivers/video/fbdev/matrox/matroxfb_base.h |    2 +-
 drivers/video/fbdev/pm2fb.c                |    2 +-
 drivers/video/fbdev/pm3fb.c                |    8 ++++----
 drivers/video/fbdev/savage/savagefb.h      |    2 +-
 drivers/video/fbdev/via/debug.h            |    6 ++++--
 drivers/video/fbdev/via/viafbdev.c         |    2 +-
 8 files changed, 14 insertions(+), 12 deletions(-)