Variables starting with `w' in 321/irix

• w 321/irix/qgl_irix.c:263
• width 321/irix/qgl_irix.c:41
• _windowed_mouse 321/irix/glw_imp.c:103
• Wl 321/irix/makefile.txt:42
• woff 321/irix/makefile.txt:42