namecoin: rebuild against libminiupnpc.so.17

[ci skip]

Closes #14213.

Signed-off-by: Enno Boland <gottox@voidlinux.eu>

srcpkgs/namecoin/template

@@ -1,7 +1,7 @@
 # Template file for 'namecoin'
 pkgname=namecoin
 version=0.13.99
-revision=7
+revision=8
 hostmakedepends="pkg-config yasm automake libtool"
 build_style=gnu-configure
 makedepends="libevent-devel db-devel protobuf-devel boost-devel miniupnpc-devel libevent-devel qrencode-devel"