[gtk/gtk-3-24] meson.build: Fix generating .pc files for Visual Studio

[Chun-wei Fan <fanchunwei src gnome org>]

commit 245c67c8c948a6bc4c7c75b78baea462958c52fb
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Tue Jul 14 14:14:26 2020 +0800

    meson.build: Fix generating .pc files for Visual Studio
    
    On Visual Studio, Cairo could have been found manually by looking for the .lib
    files, and the previous update to fix this was incorrect, as it added the
    libraries to the required packages instead of the required libraries.  This
    fixes this mishap

 meson.build | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/meson.build b/meson.build
index 945c5de87b..ff26b7a13a 100644
--- a/meson.build
+++ b/meson.build
@@ -883,12 +883,12 @@ cairo_packages = ''
 if cairo_pkg_found
   cairo_packages += ' '.join([ ' cairo', cairo_req ])
 elif cc.get_id() == 'msvc' and cairo_dep.found()
-  cairo_packages += ' '.join([ ' -lcairo' ])
+  cairo_libs += '-lcairo'
 endif
 if cairogobj_pkg_found
   cairo_packages += ' '.join([ ' cairo-gobject', cairo_req ])
 elif cc.get_id() == 'msvc' and cairogobj_dep.found()
-  cairo_packages += ' '.join([ ' -lcairo-gobject' ])
+  cairo_libs += '-lcairo-gobject'
 endif
 
 gdk_packages += cairo_packages