Git Aliases: Remove duplicate darwin clause/add default clause for git diff.
diff --git a/aliases/available/git.aliases.bash b/aliases/available/git.aliases.bash
index bbac313..58411d8 100644
--- a/aliases/available/git.aliases.bash
+++ b/aliases/available/git.aliases.bash
@@ -35,7 +35,7 @@
   darwin*)
     alias gd='git diff | mate'
     ;;
-  darwin*)
+  *)
     alias gd='git diff'
     ;;
 esac