[totem] build: Define have_nautilus variable

[Emmanuele Bassi <ebassi src gnome org>]

commit 09e8e8be71629863212474a8f2199bdd32356ce0
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Sat Jun 24 00:49:48 2017 +0100

    build: Define have_nautilus variable
    
    Not all code paths result in an `have_nautilus` variable being defined,
    so let's define it unconditionally.

 meson.build |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/meson.build b/meson.build
index 40d8be6..2da9134 100644
--- a/meson.build
+++ b/meson.build
@@ -266,6 +266,8 @@ if vala_option != 'no'
 endif
 
 # nautilus support
+have_nautilus = false
+
 if get_option('enable-nautilus') != 'no'
   libnautilus_ext_dep = dependency('libnautilus-extension', version: '>= 2.91.3', required: false)
   if libnautilus_ext_dep.found()