BUG! Incorrect order of redirection AND incorrect redirection syntax

The replaced code only created a text file called `1' in the
current directory, it did *not* redirect output.

hacking/env-setup

@@ -53,7 +53,7 @@ else
 fi
 cd "$ANSIBLE_HOME"
 if [ "$verbosity" = silent ] ; then
-    gen_egg_info 2>1 1> /dev/null
+    gen_egg_info 1> /dev/null 2>&1
 else
     gen_egg_info
 fi