Pre-release version bump to 0.25.6
Note that 0.25.4 was a botched release that doesn't have a tag and
doesn't correspond to any commit ID. It was however uploaded and
announced, so I'll just use the 0.25.6 version number.
diff --git a/configure.ac b/configure.ac
index d949839..502815e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,7 +54,7 @@
m4_define([pixman_major], 0)
m4_define([pixman_minor], 25)
-m4_define([pixman_micro], 3)
+m4_define([pixman_micro], 6)
m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
