gui: correct use of depth in setMaxColorDepth

Signed-off-by: Peter Gadfort <[email protected]>

Author: gadfort

src/gui/src/clockWidget.cpp

@@ -152,7 +152,7 @@ void ClockTreeRenderer::resetTree()
 
 void ClockTreeRenderer::setMaxColorDepth(int depth)
 {
-  if (max_depth_ < 1) {
+  if (depth < 1) {
     return;
   }