Switch gcc dependenency to gcc-libs

pkg.info

@@ -1,9 +1,10 @@
 name: double-conversion
 description: Efficient binary-decimal and decimal-binary conversion routines for IEEE doubles
 version: 3.3.0
+revision: 2
 url: https://github.com/google/double-conversion
 license: BSD-3-Clause
 architecture: any
-depends: ["gcc","glibc"]
+depends: ["gcc-libs", "glibc"]
 make_depends: ["cmake"]
 type: source