podman: add debug directories from podman containers

This is meant to allow us to find the debug files for a given library for
podman containers running as the current user. However, we still need to
try to translate the fuse-overlayfs paths when parsing the /proc/pid/mounts
or we'll have incorrect paths coming from the event stream.

src/libsysprof/meson.build

@@ -69,6 +69,7 @@ libsysprof_private_sources = [
   'sysprof-line-reader.c',
   'sysprof-map-lookaside.c',
   'sysprof-mountinfo.c',
+  'sysprof-podman.c',
   'sysprof-polkit.c',
   'sysprof-symbol-map.c',
   ipc_service_src,