[gtksourceview] meson.lang: add 'elif' keyword and 'library' built-in function

[Tim-Philipp Müller <tpm src gnome org>]

commit f3df770151d482d57046c533d821d3b6cfcf4414
Author: Tim-Philipp Müller <tim centricular com>
Date:   Sun Apr 24 11:45:57 2016 +0100

    meson.lang: add 'elif' keyword and 'library' built-in function
    
    https://bugzilla.gnome.org/show_bug.cgi?id=765495

 data/language-specs/meson.lang |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/meson.lang b/data/language-specs/meson.lang
index bd32044..812d4d4 100644
--- a/data/language-specs/meson.lang
+++ b/data/language-specs/meson.lang
@@ -69,6 +69,7 @@
       <keyword>install_subdir</keyword>
       <keyword>is_subproject</keyword>
       <keyword>jar</keyword>
+      <keyword>library</keyword>
       <keyword>message</keyword>
       <keyword>pkgconfig_gen</keyword>
       <keyword>project</keyword>
@@ -85,6 +86,7 @@
 
     <context id="operator" style-ref="operator">
       <keyword>if</keyword>
+      <keyword>elif</keyword>
       <keyword>else</keyword>
       <keyword>endif</keyword>
       <keyword>foreach</keyword>