6488124 sd_tail breaks stdata_t binary compatibility

[peter.memish...@sun.com]

Author: meem
Repository: /hg/onnv/onnv-gate
Revision: 226d4f40344d74fce9e4a9cdc5d277344952e38b
Log message:
6488124 sd_tail breaks stdata_t binary compatibility

Files:
        update: usr/src/uts/common/sys/strsubr.h