build: Fix gtk_tools array expansion

The gtk_tools variable is an array of arrays; adding a new element
requires to maintain the same type, or we'll get a build failure when
we try to extract the newly added element.

diff --git a/gtk/meson.build b/gtk/meson.build
index 23c15eaa111519ec3cd397b8e73fde04759d8b9c..da95435a846818a7f04dc629e8c8f965c1dc0277 100644 (file)
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -1027,7 +1027,7 @@ gtk_tools = [
 ]
 
 if os_unix
-  gtk_tools += ['gtk4-launch', ['gtk-launch.c']]
+  gtk_tools += [['gtk4-launch', ['gtk-launch.c']]]
 endif
 
 foreach tool: gtk_tools