Fix mac build maybe

cmake/CompilerWarnings.cmake

@@ -34,7 +34,6 @@ function(set_project_warnings)
     set(CLANG_WARNINGS
             -Wall
             -Wextra # reasonable and standard
-            -Wshadow # warn the user if a variable declaration shadows one from a parent context
             -Wnon-virtual-dtor # warn the user if a class with virtual functions has a non-virtual destructor. This helps
             # catch hard to track down memory errors
             -Wold-style-cast # warn for c-style casts

scaling-lib/Scaling.mm

@@ -9,7 +9,7 @@ It is not a C++ file and is not part of this course!
 namespace pacman {
 
 double scaling_factor_for_window(sf::WindowHandle handle) {
-    return [ (id) handle backingScaleFactor];
+    return [ static_cast<id>(handle backingScaleFactor)];
 }
 
 }