[gxml] Set valac required to 0.36.7

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 5144c5b539094b169c10fb3d5f5b90052a18c541
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Nov 21 18:25:01 2017 -0600

    Set valac required to 0.36.7

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 090ecc3..1d276cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -122,7 +122,7 @@ AC_SUBST(GXML_LOCALEDIR)
 # TODO: what do we do about libvala's versioning?  set it back to -0.18 and see what happens when we 
upgraded from Fedora 18 to 19
 
 GLIB_REQUIRED=2.32.0
-VALA_REQUIRED=0.34.6
+VALA_REQUIRED=0.34.7
 VALA_API_REQUIRED=
 LIBVALA_REQUIRED=
 GEE_REQUIRED=0.18.0