[ostree] autogen.sh: Use set -e

[Colin Walters <walters src gnome org>]

commit a864e2cc192a04e59ab1ad3cdec3dc9313adfa2e
Author: Colin Walters <walters verbum org>
Date:   Mon Sep 24 08:30:07 2012 -0400

    autogen.sh: Use set -e
    
    Otherwise we blindly continue if autoreconf fails, which is pretty
    damn lame.

 autogen.sh |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 00281da..75a16b6 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -12,6 +12,8 @@ if test -z $AUTORECONF; then
         exit 1
 fi
 
+set -e
+
 mkdir -p m4
 
 # Fetch submodules if needed