[libwnck] pager: more negative size fixes

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 5f88fa130785f498aa68e5d57be3a418457a38f3
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Wed Apr 28 13:44:20 2021 +0300

    pager: more negative size fixes
    
    wnck_pager_get_preferred_width and wnck_pager_get_preferred_height
    also can return negative size if wnck_screen_get_workspace_count
    returns 0.

 libwnck/pager.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libwnck/pager.c b/libwnck/pager.c
index c1d4f43..c029287 100644
--- a/libwnck/pager.c
+++ b/libwnck/pager.c
@@ -572,7 +572,7 @@ wnck_pager_get_preferred_width (GtkWidget *widget,
 
   wnck_pager_size_request (widget, &req);
 
-  *minimum_width = *natural_width = req.width;
+  *minimum_width = *natural_width = MAX (req.width, 0);
 }
 
 static void
@@ -634,7 +634,7 @@ wnck_pager_get_preferred_height (GtkWidget *widget,
 
   wnck_pager_size_request (widget, &req);
 
-  *minimum_height = *natural_height = req.height;
+  *minimum_height = *natural_height = MAX (req.height, 0);
 }
 
 static void