[gtranslator/gnome-3-30] Added itstool dependency to Meson

[Daniel Garcia Moreno <danigm src gnome org>]

commit e9451571f81a74cd8edec60b0ce1501ffdc6fe56
Author: Daniel Mustieles <daniel mustieles contractor bbva com>
Date:   Mon Nov 5 11:24:28 2018 +0100

    Added itstool dependency to Meson

 meson.build | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/meson.build b/meson.build
index fe57b678..b2b4ab7f 100644
--- a/meson.build
+++ b/meson.build
@@ -127,6 +127,8 @@ if gtr_schemasdir == ''
   message(gtr_schemasdir)
 endif
 
+itstool = find_program  ('itstool')
+
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