[librsvg] Bump version to 2.42.0

[Federico Mena Quintero <federico src gnome org>]

commit cd31851a13fe419abd08b50361d4d77031bbdcff
Author: Federico Mena Quintero <federico gnome org>
Date:   Mon Jan 8 17:48:21 2018 -0600

    Bump version to 2.42.0
    
    The Rust version is the stable series now.

 configure.ac | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 821e6b7..d9313c4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 m4_define([rsvg_major_version],[2])
-m4_define([rsvg_minor_version],[41])
-m4_define([rsvg_micro_version],[3])
+m4_define([rsvg_minor_version],[42])
+m4_define([rsvg_micro_version],[0])
 m4_define([rsvg_extra_version],[])
 m4_define([rsvg_version],[rsvg_major_version.rsvg_minor_version.rsvg_micro_version()rsvg_extra_version])
 m4_define([rsvg_lt_version_info],m4_eval(rsvg_major_version + 
rsvg_minor_version):rsvg_micro_version:rsvg_minor_version)