Moved DLLFLAGS to a separate variable instead of including it in
DEFS.

diff --git a/Make.rules.in b/Make.rules.in
index c4b70ac..68a591d 100644
--- a/Make.rules.in
+++ b/Make.rules.in
@@ -54,8 +54,9 @@
 LINTFLAGS = @LINTFLAGS@
 INCLUDES     = -I$(SRCDIR) -I. -I$(TOPSRCDIR)/include -I$(TOPOBJDIR)/include $(EXTRAINCL)
 EXTRACFLAGS  = @EXTRACFLAGS@
-ALLCFLAGS    = $(INCLUDES) $(DEFS) $(EXTRACFLAGS) $(CPPFLAGS) $(CFLAGS)
+ALLCFLAGS    = $(INCLUDES) $(DEFS) $(DLLFLAGS) $(EXTRACFLAGS) $(CPPFLAGS) $(CFLAGS)
 ALLLINTFLAGS = $(INCLUDES) $(DEFS) $(LINTFLAGS)
+IDLFLAGS     = $(INCLUDES) $(DEFS) $(EXTRAIDLFLAGS)
 MKINSTALLDIRS= $(TOPSRCDIR)/tools/mkinstalldirs -m 755
 WINAPI_CHECK = $(TOPSRCDIR)/tools/winapi_check/winapi_check
 WINEWRAPPER  = $(TOPSRCDIR)/tools/winewrapper