Illumos/gate d0843a3usr/src/tools/cw cw.c cw.1onbld

9899 cw(1onbld) should shadow more compilation
9888 cw shouldn't use __unused
Reviewed by: Toomas Soome <tsoome at me.com>
Reviewed by: Dan McDonald <danmcd at joyent.com>
Reviewed by: Yuri Pankov <yuripv at yuripv.net>
Approved by: Gordon Ross <gwr at nexenta.com>
DeltaFile
+77-34usr/src/tools/cw/cw.c
+4-5usr/src/tools/cw/cw.1onbld
+81-392 files

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