[gtksourceview] rpmspec: add support for Enhances tag

[Igor Gnatenko <ignatenko src gnome org>]

commit ddd02ed888db93601db52228a9ab2f247b94c8b3
Author: Igor Gnatenko <ignatenko src gnome org>
Date:   Thu Jun 23 13:29:05 2016 +0200

    rpmspec: add support for Enhances tag
    
    References: https://bugzilla.gnome.org/show_bug.cgi?id=767974
    Signed-off-by: Igor Gnatenko <ignatenko src gnome org>
    Reviewed-by: Sébastien Wilmet <swilmet gnome org>

 data/language-specs/rpmspec.lang |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/rpmspec.lang b/data/language-specs/rpmspec.lang
index 306ff22..e65d9bd 100644
--- a/data/language-specs/rpmspec.lang
+++ b/data/language-specs/rpmspec.lang
@@ -69,6 +69,7 @@
       <keyword>[A-Za-z]+Req</keyword>
       <keyword>Build[A-Za-z]+</keyword>
       <keyword>Conflicts</keyword>
+      <keyword>Enhances</keyword>
       <keyword>Epoch</keyword>
       <keyword>Group</keyword>
       <keyword>Icon</keyword>