[gtksourceview] Add missing ANSI '(PRIMARY|FOREING) KEY' keywords

[Christian Hergert <chergert src gnome org>]

commit 7fe07f53ca73697d74c3c66d824feb038b9df57e
Author: Tomisław Kityński <t kitynski e-owl tech>
Date:   Thu Jun 25 13:39:46 2020 +0200

    Add missing ANSI '(PRIMARY|FOREING) KEY' keywords

 data/language-specs/sql.lang | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/data/language-specs/sql.lang b/data/language-specs/sql.lang
index 7b63a4e1..02af4458 100644
--- a/data/language-specs/sql.lang
+++ b/data/language-specs/sql.lang
@@ -393,6 +393,7 @@
       <keyword>END</keyword>
       <keyword>FLOAT</keyword>
       <keyword>FOR</keyword>
+      <keyword>FOREIGN[ \t]KEY</keyword>
       <keyword>FROM</keyword>
       <keyword>FULL</keyword>
       <keyword>GRANT</keyword>
@@ -420,6 +421,7 @@
       <keyword>ORDER</keyword>
       <keyword>OR</keyword>
       <keyword>OUTER</keyword>
+      <keyword>PRIMARY[ \t]KEY</keyword>
       <keyword>PRIOR</keyword>
       <keyword>PRIVILEGES</keyword>
       <keyword>PUBLIC</keyword>