mysql: move initscript to src/initscripts/packages and use new macro

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>

lfs/mysql

@@ -102,5 +102,9 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	install -v -m755 -o mysql -g mysql -d /var/run/mysql
 	install -v -m 644 $(DIR_SRC)/config/backup/includes/mysql \
 		/var/ipfire/backup/addons/includes/mysql
+
+	#install initscripts
+	$(call INSTALL_INITSCRIPT,mysql)
+
 	@rm -rf $(DIR_APP)
 	@$(POSTBUILD)