* asn1buf.c (asn1buf_sync): Add length parameter to disambiguate

	* asn1buf.c (asn1buf_sync): Add length parameter to disambiguate
	constructed-indefinite encoding from constructed-definite encoding
	which happens to end at the same place as the enclosing buf.

	* asn1buf.h: Update to match definition.

	* krb5_decode.c (end_structure): Update to deal with additional
	length parameter to asn1buf_sync().

	* asn1_k_decode.c (end_sequence_of, end_structure): Update to deal
	with additional length parameter to asn1buf_sync().

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@11542 dc483132-0cff-0310-8789-dd5450dbe970