fdo#42779 followup: Do not check for icons in nonexistent lookaside directory.

Change-Id: Ic493c2e33767968e5a1c1cced66a88295c694b2b

vcl/source/gdi/impimagetree.cxx

@@ -391,6 +391,7 @@ bool ImplImageTree::iconCacheLookup(
 bool ImplImageTree::find(
     std::vector< rtl::OUString > const & paths, BitmapEx & bitmap)
 {
+    if (!m_cacheIcons) {
         for (Paths::iterator i(m_paths.begin()); i != m_paths.end(); ++i) {
             for (std::vector< rtl::OUString >::const_reverse_iterator j(
                 paths.rbegin());
@@ -404,6 +405,7 @@ bool ImplImageTree::find(
                 }
             }
         }
+    }
 
     for (Paths::iterator i(m_paths.begin()); i != m_paths.end();) {
         if (!i->second.is()) {