grep doesn't support the "?" operator, so don't use it.

scripts/xenofarm.sh

@@ -283,9 +283,10 @@ then
 |grep -v '/usr/include/sys/vnode.h:.*: warning: declaration of .free. shadows global declaration' \
 |grep -v 'aux-item-def-scan\.c:.*: warning: .* defined but not used' \
 |grep -v 'connections.c:.*: warning: duplicate .volatile.' \
-|grep -v 'getopt1?.[hc]:.*: warning: function declaration isn.t a prototype' \
+|grep -v 'getopt.[hc]:.*: warning: function declaration isn.t a prototype' \
 |grep -v 'getopt.c:451: warning: .indfound. might be used uninitialized in this function' \
 |grep -v 'getopt.c:461: warning: comparison between signed and unsigned' \
+|grep -v 'getopt1.c:.*: warning: function declaration isn.t a prototype' \
 |grep -v 'ramkomd.c:\(188\|305\): warning: function declaration isn.t a prototype' \
 |grep -v 'sigflags.h:3[06]: warning: duplicate .volatile.' \
 |grep -v regex\\.c \