[evolution-data-server] Bump libedata-cal shared object name.

[Matthew Barnes <mbarnes src gnome org>]

commit 52740ef46fd8303878c431d769c54c27963f5ff2
Author: Matthew Barnes <mbarnes redhat com>
Date:   Thu Jan 3 13:16:55 2013 -0500

    Bump libedata-cal shared object name.
    
    I'll be changing parts of the API in subsequent commits.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 7a30610..d2d654e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -112,7 +112,7 @@ LIBECAL_CURRENT=15
 LIBECAL_REVISION=0
 LIBECAL_AGE=0
 
-LIBEDATACAL_CURRENT=19
+LIBEDATACAL_CURRENT=20
 LIBEDATACAL_REVISION=0
 LIBEDATACAL_AGE=0