[msitools] bump version number to 0.91

[Paolo Bonzini <pbonzini src gnome org>]

commit 6541c6bc2bfc4fcb76aec811dc16536d73eaf512
Author: Paolo Bonzini <pbonzini redhat com>
Date:   Fri Jan 25 17:47:25 2013 +0100

    bump version number to 0.91

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 4e9a0c6..426f6ea 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT([msitools], [0.90])
+AC_INIT([msitools], [0.91])
 AC_PREREQ([2.64])
 
 AC_CONFIG_HEADERS([config.h])