[librest] autogen.sh: Honor NOCONFIGURE=1

[Colin Walters <walters src gnome org>]

commit e8d6b0ad09ebdcb81b2229937a982ff06c9f4394
Author: Colin Walters <walters verbum org>
Date:   Wed Jan 18 17:52:33 2012 -0500

    autogen.sh: Honor NOCONFIGURE=1
    
    See http://people.gnome.org/~walters/docs/build-api.txt

 autogen.sh |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index edf4db2..b49795d 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -8,4 +8,8 @@ else
   gtkdocize --flavour no-tmpl || exit 1
 fi
 
-ACLOCAL="${ACLOCAL-aclocal} $ACLOCAL_FLAGS" autoreconf -v -i && ./configure $@
+ACLOCAL="${ACLOCAL-aclocal} $ACLOCAL_FLAGS" autoreconf -v -i
+
+if test -z "$NOCONFIGURE"; then
+    exec ./configure "$@"
+fi