[openwrt/openwrt] openwrt-keyring: fix broken install step

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/b8f076c9a4a7574bef7d22d6df292dd144737103

commit b8f076c9a4a7574bef7d22d6df292dd144737103
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Sun Mar 27 11:48:31 2022 +0200

    openwrt-keyring: fix broken install step
    
    In commit 2d03f27f0f07 ("openwrt-keyring: make opkg use 22.03 usign
    key") I've accidentally removed the `endef` keyword, so fix it by adding
    it back.
    
    Fixes: 2d03f27f0f07 ("openwrt-keyring: make opkg use 22.03 usign key")
    Reported-by: Hannu Nyman <hannu.nyman at iki.fi>
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 package/system/openwrt-keyring/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/system/openwrt-keyring/Makefile b/package/system/openwrt-keyring/Makefile
index 439bcf0632..fef9ed4602 100644
--- a/package/system/openwrt-keyring/Makefile
+++ b/package/system/openwrt-keyring/Makefile
@@ -34,5 +34,6 @@ define Package/openwrt-keyring/install
 	$(INSTALL_DIR) $(1)/etc/opkg/keys/
 	# Public usign key for 22.03 release builds
 	$(INSTALL_DATA) $(PKG_BUILD_DIR)/usign/4d017e6f1ed5d616 $(1)/etc/opkg/keys/
+endef
 
 $(eval $(call BuildPackage,openwrt-keyring))