build: Fix vulkan reference in pc file

A mistake in string concatenation caused the vulcan dependency to be omitted.

Fixes: https://gitlab.gnome.org/GNOME/gtk/-/issues/3517

diff --git a/meson.build b/meson.build
index bb58717f6ae0efd5c6442882c8c6d9305fb0a5da..60e7729a8e4f1366068c5d75b3ce18bc8143ff12 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -723,7 +723,7 @@ if cairogobj_pkg_found
 endif
 
 if vulkan_pkg_found
-  gdk_packages += 'vulkan'
+  gdk_packages += ' vulkan'
 endif
 
 pkgconf.set('GDK_PACKAGES', gdk_packages)