File fix-po-meson.patch of Package gimp-plugin-resynthesizer

--- resynthesizer/po/meson.build.orig	2026-04-01 08:57:45.365366707 +0200
+++ resynthesizer/po/meson.build	2026-04-01 09:00:56.908132899 +0200
@@ -51,7 +51,7 @@
 # to be shared by the group of resynthesizer plugins,
 # but instead installs the same catalog in many places (in a locale subdirectory of each plugin.)
 # I.E. copy and fan out shared group resynthesizer.mo file to each plugin's locale directory
-# 
+#
 # This seems clunky, wasteful, and fragile.
 # But probably the best we can do given how GIMP does i18n.
 
@@ -60,14 +60,16 @@
 
   # for each outer plugin filename and also the engine plugin filename 'resynthesizer'
   foreach plugin_name : resynthesizer_plugin_names + 'resynthesizer'
-    
+
     # The source of the copy was previously installed by meson to the platform's shared locale dir.
     # We copy from the installed file.
     # Typical full path to source_file is /usr/local/share/locale/es/LC_MESSAGES/resynthesizer3.mo
     #                                     prefix    localedir    language_tag    group name
 
-    # get_option('localedir') == 'share/locale' and MUST be prefixed
-    source_file = get_option('prefix') / get_option('localedir') / language_tag / 'LC_MESSAGES' / 'resynthesizer3.mo'
+    # get_option('localedir') == 'share/locale'
+    # During "meson install --destdir=...", the file is staged below
+    # MESON_INSTALL_DESTDIR_PREFIX.
+    source_rel = get_option('localedir') / language_tag / 'LC_MESSAGES' / 'resynthesizer3.mo'
 
     # When copying, distribute or fan out the group file
     # to a subdirectory "locale/" under each plugin's root directory
@@ -82,7 +84,8 @@
     # cp does not have option to create destination dirs, so create directory first.
     meson.add_install_script(
       'sh', '-c',
-      'mkdir -p "@0@" && cp -f "@1@" "@2@"'.format(dest_dir, source_file, dest_file ))
+      'mkdir -p "$DESTDIR@0@" && cp -f "$MESON_INSTALL_DESTDIR_PREFIX/@1@" "$DESTDIR@2@"'
+      .format(dest_dir, source_rel, dest_file ))
 
   endforeach
 endforeach
@@ -91,4 +94,4 @@
 # and could be deleted.
 
 summary('Installing i18n for plugins:', resynthesizer_plugin_names + 'resynthesizer')
-summary('Installing i18n for languages:', resynthesizer_i18n_languages)
\ No newline at end of file
+summary('Installing i18n for languages:', resynthesizer_i18n_languages)