sort gfortran correctly

pietroalbini · pietroalbini · commit 294bc722ba4e · 2019-12-09T09:36:37.000+01:00
diff --git a/packages.txt b/packages.txt
@@ -23,8 +23,8 @@ docker.io
 dselect
 emacsen-common
 enchant
-git
 gfortran
+git
 gnupg
 golang
 gstreamer1.0-plugins-base
