[gtk/gtk-3-24] Force the loadable module suffix on the print backend modules.

[John Ralls <jralls src gnome org>]

commit ee448db031e79b13afd780f39ea14b3a7dd4bb73
Author: John Ralls <jralls ceridwen us>
Date:   Tue Dec 10 21:21:02 2019 -0800

    Force the loadable module suffix on the print backend modules.
    
    On MacOS the shared library and loadable module suffix is different.
    While dlopen will load a shared module just fine, Gtk's loader and
    query tools don't know to look for them so it's important to give
    loadable modules the .so suffix.

 modules/printbackends/meson.build | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/modules/printbackends/meson.build b/modules/printbackends/meson.build
index 7ffe671c4b..277c5c9c7b 100644
--- a/modules/printbackends/meson.build
+++ b/modules/printbackends/meson.build
@@ -111,6 +111,7 @@ if print_backends.contains('file')
                 'file/gtkprintbackendfile.c',
                 c_args: printbackends_args,
                 dependencies: libgtk_dep,
+                name_suffix: module_suffix,
                 install_dir: printbackends_install_dir,
                 name_suffix: module_suffix,
                 install : true)
@@ -121,6 +122,7 @@ if print_backends.contains('lpr')
                 'lpr/gtkprintbackendlpr.c',
                 c_args: printbackends_args,
                 dependencies: libgtk_dep,
+                name_suffix: module_suffix,
                 install_dir: printbackends_install_dir,
                 name_suffix: module_suffix,
                 install : true)
@@ -131,6 +133,7 @@ if print_backends.contains('test')
                 'test/gtkprintbackendtest.c',
                 c_args: printbackends_args,
                 dependencies: libgtk_dep,
+                name_suffix: module_suffix,
                 install_dir: printbackends_install_dir,
                 name_suffix: module_suffix,
                 install : true)
@@ -143,6 +146,7 @@ if print_backends.contains('cloudprint')
                   'cloudprint/gtkcloudprintaccount.c',
                   c_args: printbackends_args,
                   dependencies: [ libgtk_dep, rest_dep, json_glib_dep ],
+                  name_suffix: module_suffix,
                   install_dir: printbackends_install_dir,
                   name_suffix: module_suffix,
                   install : true)
@@ -156,6 +160,7 @@ if print_backends.contains('cups')
                 'cups/gtkcupssecretsutils.c',
                 c_args: printbackends_args,
                 dependencies: [libgtk_dep, cups_dep] + cups_extra_deps,
+                name_suffix: module_suffix,
                 install_dir: printbackends_install_dir,
                 name_suffix: module_suffix,
                 install : true)