- if (wxDebugContext::GetHead () != 0 && ! (wxDebugContext::GetHead ())->AssertIt () ||
- wxDebugContext::GetTail () != 0 && ! wxDebugContext::GetTail ()->AssertIt ()) {
+ if ((wxDebugContext::GetHead() && !wxDebugContext::GetHead()->AssertIt()) ||
+ (wxDebugContext::GetTail() && !wxDebugContext::GetTail()->AssertIt()))
+ {