avoid syntax-check failure

* .mailmap: Map a stray commit-author email address to the canonical one.
Reported by Justin Clift.

.mailmap

@@ -10,3 +10,4 @@
 <meyering@redhat.com> <jim@meyering.net>
 <socketpair@gmail.com> <socketpair gmail com>
 <soren@canonical.com> <soren@ubuntu.com>
+<jfehlig@novell.com> <jfehlig@linux-ypgk.site>