build: Bump valac requirement to 0.15.1 to match minimal driver support

diff --git a/configure.ac b/configure.ac
index de36a9016b0a5f52257b837e35ccf38ddbe73e0e..0f30d25a9fd00bf543f2540a89e06023178d7937 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -22,7 +22,7 @@ PKG_PROG_PKG_CONFIG([0.21])
 ## Settings:
 ##
 
-VALA_REQUIRED=0.13.2
+VALA_REQUIRED=0.15.1
 LIBGEE_REQUIRED=0.8.0
 LIBGVC_REQUIRED=2.16
 GLIB_REQUIRED=2.24.0