#3213 fpprintprec do not round bfloat correctly.

[Takayuki Homma]

For example :
(%i1) fpprintprec:4;
(%o1) 4
(%i2) 1.23456789;
(%o2) 1.235 <- correct
(%i3) 1.23456789b0;
(%o3) 1.234b0 <- do not correct

[Robert Dodier]

Fixed by commit 98b03495a. Thanks for the bug report. Closing this report.