pull up r25323 from trunk

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 r25323 | ghudson | 2011-10-07 18:17:06 -0400 (Fri, 07 Oct 2011) | 8 lines

 ticket: 6972
 target_version: 1.9.2
 tags: pullup

 Fix a memory leak in make_gss_checksum.

 From greg.mcclement@sap.com.

https://github.com/krb5/krb5/commit/7cb42ee751f251797ce0ad809e1eb48483c8e7b7
Commit By: tlyu
Revision: 25383
Changed Files:
U   branches/krb5-1-9/src/lib/gssapi/krb5/init_sec_context.c