Fix to allow 'compare_versions.m' handle version numbers ending with period

[Muthiah Annamalai]

John W. Eaton wrote:
> On 27-Jan-2009, Muthiah Annamalai wrote:
>
> | John W. Eaton wrote:
> | > On 26-Jan-2009, Muthiah Annamalai wrote:
> | > | I built this over the weekend, last Saturday. So I must have used the 
> | > |  checkout from 01/23/09. I forgot the list-address in my reply.
> | >
> | > I have no clue why the regexp test is failing for you, and I can't
> | > reproduce the problem.  So I think you (or someone else who can
> | > reproduce the problem) will need to do some debugging to determine why
> | > it is failing.
> | >
> | > jwe
> | >
> | >   
> | Looks like I did not have PCRE compiled in, and the configure script 
> | warns me in the beginning.
>
> OK.  So is there a regexp that would do the right thing with the other
> regexp package that you have?  That would be useful, so we can avoid
> problems like this in the future.
>
> jwe
>
>   
No I am now installing libpcre-dev and compiling it again. I dont know 
what other
package it may have used.

-Muthu