[gtksourceview] erlang.lang: add newer compiler directives

[Sébastien Wilmet <swilmet src gnome org>]

commit c4b40db50cd48ed326d303dda1717bd8188431db
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Jan 14 11:30:01 2018 +0100

    erlang.lang: add newer compiler directives
    
    https://bugzilla.gnome.org/show_bug.cgi?id=792104

 data/language-specs/erlang.lang |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/erlang.lang b/data/language-specs/erlang.lang
index fe9a7d7..9bb814e 100644
--- a/data/language-specs/erlang.lang
+++ b/data/language-specs/erlang.lang
@@ -218,12 +218,14 @@
     <context id="compiler-directives" style-ref="compiler-directive">
       <prefix>-</prefix>
       <keyword>author</keyword>
+      <keyword>behaviour</keyword>
       <keyword>compile</keyword>
       <keyword>copyright</keyword>
       <keyword>define</keyword>
       <keyword>doc</keyword>
       <keyword>else</keyword>
       <keyword>endif</keyword>
+      <keyword>error</keyword>
       <keyword>export</keyword>
       <keyword>file</keyword>
       <keyword>ifdef</keyword>
@@ -232,8 +234,11 @@
       <keyword>include_lib</keyword>
       <keyword>include</keyword>
       <keyword>module</keyword>
+      <keyword>on_load</keyword>
       <keyword>record</keyword>
       <keyword>undef</keyword>
+      <keyword>vsn</keyword>
+      <keyword>warning</keyword>
     </context>
 
     <context id="erlang" class="no-spell-check">