only install if the file is NOT there

git-svn-id: http://svn.openzap.org/svn/openzap/trunk@521 a93c3328-9c30-0410-af19-c9cd2b2d52af

libs/freetdm/mod_openzap/Makefile

@@ -13,7 +13,7 @@ $(OZSO): $(OZ_DIR)/.update
 
 local_install:
 	cd $(OZ_DIR) && $(MAKE) install ZAP_CFLAGS="$(ALL_CXXFLAGS)"
-	[ ! -f $(DESTDIR)$(PREFIX)/conf/autoload_configs/openzap.conf.xml ] || cp -f $(OZ_DIR)/conf/openzap.conf.xml  $(DESTDIR)$(PREFIX)/conf/autoload_configs
+	[ -f $(DESTDIR)$(PREFIX)/conf/autoload_configs/openzap.conf.xml ] || cp -f $(OZ_DIR)/conf/openzap.conf.xml  $(DESTDIR)$(PREFIX)/conf/autoload_configs
 
 local_clean:
 	cd $(OZ_DIR) && $(MAKE) clean