Switch gcc dependenency to gcc-libs

pkg.info

@@ -1,11 +1,11 @@
 name: groff
 description: GNU troff text-formatting system
 version: 1.23.0
-revision: 3
+revision: 4
 url: https://www.gnu.org/software/groff/
 license: GPL3-or-later
 architecture: any
-depends: ["gcc","perl"]
+depends: ["gcc-libs", "perl"]
 optional_depends: ["libxaw"]
 make_depends: ["libxaw"]
 type: source