netifyd: Updated to v4.4.7

netifyd: Updated to v4.4.7

Bug Fixes

- Fixed mbedTLS crashes and TLS handshake errors when the nDPI-bundled libgcrypt "lite" version conflicts with the system version (via libcurl).
- Fixed linking order issue with libini.
- Fixed non-portable static linking warning with libndpi.
- Write flows to sockets regardless if "add_flows" is true.
- Fixed compilation error if _DIRENT_HAVE_D_RECLEN isn't defined.
- Fixed Agent path.
- [OpenWrt] Switch to "grep -E" as "egrep" is deprecated.
- Fixed possible ndAddr crash: return a const reference for cached strings.

Signed-off-by: Darryl Sokoloski <darryl@sokoloski.ca>