weechat: generate translations and don't link against libintl.

The gnutls-devels -> gnutls -> gettext-libs chain pulled in libintl.so,
which ended up unnecessarily linked into the binary.

Ironically, no localization files were generated, because gettext wasn't
in hostmakedepends.

srcpkgs/weechat/template

@@ -1,12 +1,13 @@
 # Template file for 'weechat'
 pkgname=weechat
 version=3.1
-revision=1
+revision=2
 build_style=cmake
 configure_args="-DENABLE_MAN=ON -DENABLE_PERL=ON
  -DENABLE_LUA=ON -DENABLE_RUBY=ON -DENABLE_SPELL=ON
  -DENABLE_GUILE=OFF -DENABLE_PHP=OFF -DENABLE_JAVASCRIPT=OFF"
-hostmakedepends="ruby-asciidoctor libgcrypt-devel pkg-config python3 tcl-devel"
+hostmakedepends="ruby-asciidoctor libgcrypt-devel pkg-config python3 tcl-devel
+ gettext"
 makedepends="aspell-devel gnutls-devel libcurl-devel lua53-devel ncurses-devel
  perl python3-devel ruby-devel tcl-devel"
 depends="ca-certificates"