mibitblt.c: In function 'miGetImage':
mibitblt.c:617:20: warning: declaration of 'pt' shadows a previous local
mibitblt.c:609:17: warning: shadowed declaration is here
mispans.c: In function 'miFillUniqueSpanGroup':
mispans.c:456:33: warning: declaration of 'i' shadows a previous local
mispans.c:382:9: warning: shadowed declaration is here
mispans.c:488:17: warning: declaration of 'i' shadows a previous local
mispans.c:382:9: warning: shadowed declaration is here

Signed-off-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>