fix wbuild.sh so that [ -f *.err ] with multiple files works correctly.
S_FLAGS=-sg -st -of+ -zu -zdf -zff -zgf -k32768#54096#60000
Z_FLAGS=-zk0 -zc -zp8 -zm
O_FLAGS=-obmilr -oe=24 -out -oh -ei -onac -ol+ -ok##x
-T_FLAGS=-bt=dos -mh -0 -fpi87 -fo=.$(OBJ) -d1###### -e=65536
+T_FLAGS=-bt=dos -wx -mh -0 -fpi87 -fo=.$(OBJ) -d1###### -e=65536
CPPFLAGS=-DTARGET_MSDOS=16 -DMSDOS=1
!ifeq DEBUGSERIAL 1
-Subproject commit d7165e9733719fc4197bfdaaeae9998189fa6c54
+Subproject commit 979eddc7c8c7b92b6905d147c242ef7ea055d847
wmake -h clean
wmake -h
wmake -h comp
-if [ -f *.err ]
+if [[ -f *.err ]]
then
echo dumping *.err
#cat *.err