autogen.sh: Use set -e to fail if any command fails

joshtriplett · joshtriplett · commit 97d285ab513a · 2013-11-27T17:24:26.000-08:00
In preparation for expanding autogen.sh.
diff --git a/autogen.sh b/autogen.sh
@@ -1,2 +1,3 @@
 #!/bin/sh
+set -e
 autoreconf -vif
