undefined reference to `strverscmp'

[Bug 1939] New: strverscmp failure
http://lists.busybox.net/pipermail/uclibc-cvs/2010-June/028104.html
[git commit master] strverscmp: I forgot to export it
http://lists.busybox.net/pipermail/uclibc-cvs/2010-June/028105.html

commit 139b8f0c673fed465d27f99c98568e5d5e1b9b72
Author: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri Jun 4 13:36:30 2010 +0200

strverscmp: I forgot to export it

Result was:

strverscmp.o:
000000ec T __GI_strverscmp

i.e. no plain "strverscmp"!

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>