vulkan/overlay-layer: fix cast errors
Not quite sure what version of GCC/Clang produces errors (8.3.0 locally was fine).
Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com
/cc @FireBurn
Not quite sure what version of GCC/Clang produces errors (8.3.0 locally was fine).
Signed-off-by: Lionel Landwerlin lionel.g.landwerlin@intel.com
/cc @FireBurn