K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2015-01-30T19:19:03.935053Z
K 7
svn:log
V 209
msun: use previously ignored value.

This fixes evaluation of exceptional values in scalblnl().
While here, simplify the code as suggested by Bruce Evans.

Reported by:	clang static analyzer
MFC after:	1 week

END