Staging: xgifb: Delete define XGIINITSTATIC in XGI_main_26.c and XGI_main.h

This is a patch to the XGI_main.h and XGI_main_26.c file that fixed up a define warrning found by the checkpatch.pl tools.

Signed-off-by: Ruslan Pisarev <ruslan@rpisarev.org.ua>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>