FreeBSD/src fada512 (r351385)usr.bin/w w.c

w: initialize save_p to silence 'may be used uninitilized'

After r351379 save_p may be used uninitialized.  Set it to NULL before
first assignment so that a later NULL check will work correctly.

Reported by:            CI system for gcc platforms
MFC after:              1 week
X-MFC with:             351379 (karels)
DeltaFile
+1-0usr.bin/w/w.c
+1-01 files

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