[gssapi/gssproxy] 482349: Fix leak of mech OID in gssi_inquire_context()

[Robbie Harwood]

Branch: refs/heads/main
  Home:   https://github.com/gssapi/gssproxy
  Commit: 482349fa6bd536471216a898713c83260c78c08d
      https://github.com/gssapi/gssproxy/commit/482349fa6bd536471216a898713c83260c...
  Author: Robbie Harwood 
  Date:   2020-08-26 (Wed, 26 Aug 2020)

Changed paths:
    M src/mechglue/gpp_import_and_canon_name.c

Log Message:
  -----------
  Fix leak of mech OID in gssi_inquire_context()

The name it creates holds a copy of the OID, which we need to release.

Signed-off-by: Robbie Harwood