[gtk+] Adwaita: Set an icon size for drag icons

[Matthias Clasen <matthiasc src gnome org>]

commit 474d36499ac988117ef537709ba40a44fc85f62b
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Dec 10 21:17:13 2017 -0500

    Adwaita: Set an icon size for drag icons
    
    This makes drag icons set from icon names come out
    at a size that it large enough to not disappear under
    the drag cursor.

 gtk/theme/Adwaita/_common.scss |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 5bad9d7..dd3fcec 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -56,6 +56,10 @@ flowboxchild:focus(visible) {
   -gtk-icon-size: 32px;
 }
 
+image.drag-icon {
+  -gtk-icon-size: 32px;
+}
+
 /*
    These wildcard seems unavoidable, need to investigate.
    Wildcards are bad and troublesome, use them with care,