[tracker] meson: Fix bash completion dir guessing

[Carlos Garnacho <carlosg src gnome org>]

commit ee6444ebba4c45d7e212b7657d6fb54c13351557
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Jul 22 11:45:44 2017 +0200

    meson: Fix bash completion dir guessing
    
    Use the right method to fetch a pkg-config variable.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=785248

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index c166471..c306bf0 100644
--- a/meson.build
+++ b/meson.build
@@ -322,7 +322,7 @@ install_bash_completion = false
 if get_option('bash_completion') == 'yes' or get_option('bash_completion') == 'auto'
   bash_completion_package = dependency('bash-completion', required: false)
   if bash_completion_package.found()
-    bash_completion_dir = bash_completion_package.get_variable('completionsdir')
+    bash_completion_dir = bash_completion_package.get_pkgconfig_variable('completionsdir')
   else
     bash_completion_dir = join_paths(get_option('prefix'), get_option('datadir'), 'bash-completion', 
'completions')
   endif