[jhbuild] autogen.sh: Fix NOCONFIGURE with_autotools check

[Colin Walters <walters src gnome org>]

commit 7ab604b3a6ecbe9f6b92474f646d5ce57b91e072
Author: David King <amigadave amigadave com>
Date:   Tue Sep 17 12:02:53 2013 +0100

    autogen.sh: Fix NOCONFIGURE with_autotools check
    
    As the comment above the check mentions, check whether NOCONFIGURE is
    set, not whether it was empty. Introduced by
    ea9c867401e04f2537901e8ec09d7be26d2c6c6e.

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 5a26e2d..1a9af5e 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -213,7 +213,7 @@ fi
 # allows the gnome-ostree build system to work which doesn't have
 # yelp, but also can't pass options to autogen.sh
 force_autotools=$FALSE
-if test -z "$NOCONFIGURE"; then
+if test -n "$NOCONFIGURE"; then
   force_autotools=$TRUE
 fi