vcl, libreofficekit: gtk_clipboard_wait_for_contents() may return null

Don't crash then.

Change-Id: I4980fe4ea56e023cbf303fa43d1e6b383d983d2e

1 files changed, 4 insertions, 0 deletions

diff --git a/vcl/unx/gtk3/gtk3gtkinst.cxx b/vcl/unx/gtk3/gtk3gtkinst.cxx
index f914e4546f6a..32e1a5722fac 100644
--- a/vcl/unx/gtk3/gtk3gtkinst.cxx
+++ b/vcl/unx/gtk3/gtk3gtkinst.cxx
@@ -206,6 +206,10 @@ public:
         css::uno::Any aRet;
         GtkSelectionData* data = gtk_clipboard_wait_for_contents(clipboard,
                                                                  it->second);
+        if (!data)
+        {
+            return css::uno::Any();
+        }
         gint length;
         const guchar *rawdata = gtk_selection_data_get_data_with_length(data,
                                                                         &length);