[vala/tintou/glib-version-message] vala: Trigger understandable errors with GLib target version

[Corentin Noël <corentinnoel src gnome org>]

commit 77954eb8f26d96d82c61bc835a539140de8391a6
Author: Corentin Noël <corentin elementary io>
Date:   Tue Dec 4 17:01:06 2018 +0100

    vala: Trigger understandable errors with GLib target version

 vala/valacodecontext.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/vala/valacodecontext.vala b/vala/valacodecontext.vala
index 815899cee..34543a8d9 100644
--- a/vala/valacodecontext.vala
+++ b/vala/valacodecontext.vala
@@ -557,7 +557,7 @@ public class Vala.CodeContext {
 
                if (target_glib != null && target_glib.scanf ("%d.%d", out glib_major, out glib_minor) != 2
                    || glib_minor % 2 != 0) {
-                       Report.error (null, "Invalid format or version for target GLib");
+                       Report.error (null, "Only a stable version of GLib can be targeted, use MAJOR.MINOR 
format with MINOR as an even number");
                }
 
                if (glib_major != 2) {