tdf#114025 - avoid deadlock between x11 clipboard and the lock dialog.

Change-Id: I06e66f59531e7ff6a2e0bf874ebcf2a882d89b63
Reviewed-on: https://gerrit.libreoffice.org/45228Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

vcl/source/window/dialog.cxx

@@ -1063,13 +1063,15 @@ short Dialog::Execute()
         return 0;
 
     VclPtr<vcl::Window> xWindow = this;
-
-    css::uno::Reference< css::uno::XComponentContext > xContext(
+    {
+        SolarMutexReleaser aReleaser; // tdf#114025
+        css::uno::Reference< css::uno::XComponentContext > xContext(
             comphelper::getProcessComponentContext() );
-    css::uno::Reference<css::frame::XGlobalEventBroadcaster> xEventBroadcaster(css::frame::theGlobalEventBroadcaster::get(xContext), css::uno::UNO_QUERY_THROW);
-    css::document::DocumentEvent aObject;
-    aObject.EventName = "DialogExecute";
-    xEventBroadcaster->documentEventOccured(aObject);
+        css::uno::Reference<css::frame::XGlobalEventBroadcaster> xEventBroadcaster(css::frame::theGlobalEventBroadcaster::get(xContext), css::uno::UNO_QUERY_THROW);
+        css::document::DocumentEvent aObject;
+        aObject.EventName = "DialogExecute";
+        xEventBroadcaster->documentEventOccured(aObject);
+    }
     UITestLogger::getInstance().log("DialogExecute");
     // Yield util EndDialog is called or dialog gets destroyed
     // (the latter should not happen, but better safe than sorry