Patch fixing segfaults on nulls was removed due to patch's content being now included in conmon's source since containers/conmon@355dbf1
Signed-off-by: Oskari Rauta <oskari.rauta@gmail.com>
Switched to building with meson as it works better in a parallel
context.
Small Makefile adjustments for consistency.
Signed-off-by: Rosen Penev <rosenp@gmail.com>