[openwrt/openwrt] iptables: fix ip6tables-extra description

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/a5c8811c04799a601447a5b0cd21d39e00c0ae0e

commit a5c8811c04799a601447a5b0cd21d39e00c0ae0e
Author: Etienne Champetier <champetier.etienne at gmail.com>
AuthorDate: Wed Jan 26 14:20:37 2022 -0500

    iptables: fix ip6tables-extra description
    
    The define was referencing ip6tables-mod-extra instead of ip6tables-extra
    
    Signed-off-by: Etienne Champetier <champetier.etienne at gmail.com>
---
 package/network/utils/iptables/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package/network/utils/iptables/Makefile b/package/network/utils/iptables/Makefile
index 6aee5c6caf..a21a2382e3 100644
--- a/package/network/utils/iptables/Makefile
+++ b/package/network/utils/iptables/Makefile
@@ -473,7 +473,7 @@ $(call Package/iptables/Default)
   TITLE:=IPv6 header matching modules
 endef
 
-define Package/ip6tables-mod-extra/description
+define Package/ip6tables-extra/description
 iptables header matching modules for IPv6
 endef