[glabels] Fix autogen.sh that was mistakenly broken in previous commit.

[Jim Evins <jimevins src gnome org>]

commit 329d5bb8abd2962e51fa76655a53357061f100bd
Author: Jim Evins <evins snaught com>
Date:   Tue May 14 18:16:32 2013 -0700

    Fix autogen.sh that was mistakenly broken in previous commit.

 autogen.sh |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 2dd040a..eb9d845 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -19,4 +19,8 @@ which gnome-autogen.sh || {
     exit 1
 }
 
+USE_GNOME2_MACROS=1
+USE_COMMON_DOC_BUILD=yes
+
+. gnome-autogen.sh