[libgda/LIBGDA_5.2] Set version to 5.2.6

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 8eeeb57ca2833990e25a5132b1f6842274e39a3e
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Sep 30 09:41:33 2018 -0500

    Set version to 5.2.6

 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/configure.ac b/configure.ac
index 3c5ced9fc..f7c09888c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define(major, 5)
 m4_define(minor, 2)
-m4_define(micro, 5)
+m4_define(micro, 6)
 m4_define([gda_stable],
        m4_if(m4_eval(minor % 2), [0], [yes], [no]))
 AC_CONFIG_MACRO_DIR([m4])