[RFA] adjust src-release following the renaming of gdb/common/ to gdb/gdbsupport/

[Joel Brobecker]

> >ChangeLog:
> >
> >        * src-release (getver): If $tool/gdbsupport/create-version.sh
> >        exists, use that to determine the version number.
> >
> >Tested on x86_64-linux, by running the src-release script with "gdb"
> >as the argument, and verifying that the name of the tarball is now
> >correct.
> 
> Ok. 

Thanks Richard. Pushed to the master branch in binutils-gdb. I looked at
the GCC repository, and couldn't find it there, so synchronization to do
between the two, after all!

-- 
Joel