[jhbuild] Switch autogen.sh to /bin/bash as it uses bashisms (GNOME bug 654555)

[Frederic Peters <fpeters src gnome org>]

commit 87546661a7bc4bf562675a354eb2125597831288
Author: FrÃdÃric PÃters <fpeters 0d be>
Date:   Sat Oct 8 17:02:57 2011 -0400

    Switch autogen.sh to /bin/bash as it uses bashisms (GNOME bug 654555)

 autogen.sh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 06acafc..7513cbc 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 #
 # JHBuild configuration script.
 #