bug 301489 make palmsync build with latest platform sdk

r=bsmedberg sr=bienvenu a=bsmedberg

mailnews/extensions/palmsync/build/Makefile.in

@@ -77,7 +77,7 @@ $(MIDL_GENERATED_FILES): done_gen
 
 done_gen: IPalmSync.idl
 	$(RM) $(SRCDIR_CSRCS)
-	$(MIDL) $(MIDL_FLAGS) $(UNICODE_FLAGS) $(srcdir)/IPalmSync.idl
+	$(MIDL) $(MIDL_FLAGS) -Oic $(UNICODE_FLAGS) $(srcdir)/IPalmSync.idl
 	touch $@
 
 export:: done_gen