Update version back to +svn.
Note: to show that svn is current version plus current developements, the dash (-) has been replaced with a plus (+).
Thus, now that 0.1.0 has been released, we're preparing the next version, that is 0.1.0 plus svn developments, thus 0.1.0+svn
1 This is NOT the official version of dialog. This version has been
2 significantly modified from the original. It is for use by the Linux
3 kernel configuration script. Please do not bother Savio Lam with
4 questions about this program.