6983855: The jre combo bundle target needs to be added in the makefile

Reviewed-by: billyh, paulk

make/install-rules.gmk

@@ -93,6 +93,10 @@ ifeq ($(BUILD_INSTALL), true)
 	fi
 endif
 
+combo_build:
+	@$(ECHO) $@ installer combo build started: `$(DATE) '+%y-%m-%d %H:%M'`
+	$(CD) $(INSTALL_TOPDIR)/make/installer/bundles/windows/ishield/wrapper/wrapper.jreboth ; $(MAKE) all
+
 install-clobber:
 ifeq ($(BUILD_INSTALL), true)
 	@$(call MakeStart, install, clobber)