[gthumb] .pc file: do not add the api version in the name

[Paolo Bacchilega <paobac src gnome org>]

commit 618e0c577edb5e55f07af5e5b80c8a873e6fc8a9
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Feb 7 12:25:33 2021 +0100

    .pc file: do not add the api version in the name
    
    We only support a single gThumb installation anyway.

 data/meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/data/meson.build b/data/meson.build
index 6729b35d..5fc4d12f 100644
--- a/data/meson.build
+++ b/data/meson.build
@@ -26,8 +26,8 @@ pkg = import('pkgconfig')
 gthumb_pc = pkg.generate(
   name : 'gThumb',
   description : 'gThumb extensions',
-  filebase : 'gthumb-@0@'.format(api_version),
-  subdirs : 'gthumb-@0@'.format(api_version),
+  filebase : meson.project_name(),
+  subdirs : meson.project_name(),
   requires : [ 'gtk+-3.0' ],
   version: meson.project_version(),
   variables : [