Fix uncaught exception

src/flistview.cpp

@@ -1839,7 +1839,16 @@ inline FString FListView::getCheckBox (const FListViewItem* item)
     checkbox.setString("[ ] ");
 
     if ( item->isChecked() )
-      checkbox[1] = fc::Times;  // Times ×
+    {
+      try
+      {
+        checkbox[1] = fc::Times;  // Times ×
+      }
+      catch (const std::out_of_range&)
+      {
+        return checkbox;
+      }
+    }
   }
 
   return checkbox;

test/foptiattr-test.cpp

@@ -281,6 +281,9 @@ void FOptiAttrTest::sgrOptimizerTest()
   std::strcpy(buffer, CSI "m" CSI "38;2;0;139;139m" CSI "48;2;240;255;240m");
   sgr_optimizer.optimize();
   CPPUNIT_ASSERT_CSTRING ( buffer, C_STR(CSI "0;38;2;0;139;139;48;2;240;255;240m") );
+
+  delete to;
+  delete from;
 }
 
 //----------------------------------------------------------------------