Got rid of 16-bit glue code generation since it is no longer used.

diff --git a/Make.rules.in b/Make.rules.in
index 351f11e..c4b70ac 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -100,7 +100,7 @@
 api_manext      = 3w
 conf_manext     = 5
 CLEAN_FILES     = *.o *.a *.so *.ln *.$(LIBEXT) \\\#*\\\# *~ *% .\\\#* *.bak *.orig *.rej \
-                  *.flc *.spec.c *.spec.def *.glue.c *.dbg.c y.tab.c y.tab.h @LEX_OUTPUT_ROOT@.c core
+                  *.flc *.spec.c *.spec.def *.dbg.c y.tab.c y.tab.h @LEX_OUTPUT_ROOT@.c core
 
 OBJS = $(C_SRCS:.c=.o) $(EXTRA_OBJS)