fix for losing time information (if present) when converting datetime (fixed patch 1113307)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31687 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/variant.cpp

@@ -2074,7 +2074,7 @@ bool wxVariant::Convert(wxDateTime* value) const
     }
     // Fallback to string conversion
     wxString val;
-    return Convert(&val) && (value->ParseDate(val));
+    return Convert(&val) && (value->ParseDateTime(val) || value->ParseDate());
 }
 #endif // wxUSE_DATETIME