mesa: Add autogen.sh to distribution.
diff --git a/Makefile.am b/Makefile.am
index 6f222b2..8819f1f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,6 +29,7 @@
 PACKAGE_NAME = MesaLib-$(PACKAGE_VERSION)
 
 EXTRA_DIST = \
+	autogen.sh \
 	common.py \
 	docs \
 	doxygen \