cross-x86_64-linux-musl: fix gcc distfiles

Author: oreo639

srcpkgs/cross-x86_64-linux-musl/template

@@ -18,7 +18,7 @@ license="GPL-2.0-or-later, GPL-3.0-or-later, MIT"
 homepage="https://www.voidlinux.org/"
 case "${_gcc_version}" in
 	*+*) distfiles="https://gcc.gnu.org/pub/gcc/snapshots/${_gcc_version%%.*}-${_gcc_version#*+}/gcc-${_gcc_version%%.*}-${_gcc_version#*+}.tar.xz" ;;
-	*) distfiles="${GNU_SITE}/gcc/gcc-${_gcc_version}.tar.xz" ;;
+	*) distfiles="${GNU_SITE}/gcc/gcc-${_gcc_version}/gcc-${_gcc_version}.tar.xz" ;;
 esac
 distfiles+="
  ${GNU_SITE}/binutils/binutils-${_binutils_version}.tar.xz