missed this one

src/libbio/bvprint.c

@@ -29,6 +29,7 @@ Bvprint(Biobuf *bp, char *fmt, va_list arg)
 	f.flush = fmtBflush;
 	f.farg = bp;
 	f.nfmt = 0;
+	fmtlocaleinit(&f, nil, nil, nil);
 	n = fmtvprint(&f, fmt, arg);
 	bp->ocount = (char*)f.to - (char*)f.stop;
 	return n;