[gtksourceview/gnome-3-24] vala.lang: Update to meet vala 0.38.0 specs

[Rico Tzschichholz <ricotz src gnome org>]

commit 77af939f481e0201eb7ade7292954cffcdc7b3e0
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Sep 9 15:35:41 2017 +0200

    vala.lang: Update to meet vala 0.38.0 specs
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787472

 data/language-specs/vala.lang |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/vala.lang b/data/language-specs/vala.lang
index 8d81b55..03f98e0 100644
--- a/data/language-specs/vala.lang
+++ b/data/language-specs/vala.lang
@@ -282,6 +282,7 @@
       <keyword>uint64</keyword>
       <keyword>ulong</keyword>
       <keyword>unichar</keyword>
+      <keyword>unichar2</keyword>
       <keyword>ushort</keyword>
       <keyword>void</keyword>
     </context>
@@ -296,12 +297,21 @@
       Signal|
       Deprecated|
       Description|
+      Experimental|
+      Version|
       DBus|
       Compact|
+      ConcreteAccessor|
+      DestroysInstance|
       Diagnostics|
       ErrorBase|
       Flags|
+      FormatArg|
+      GenericAccessors|
       GIR|
+      GtkCallback|
+      GtkChild|
+      GtkTemplate|
       HasEmitter|
       Immutable|
       ModuleInit|