crystal.m4 barfs on non-numerics in version string

[sunshine]

On the 1.2 branch, for instance, the version string is "1.2rc1".

checking for cs-config-1.1... no
checking for cs-config-1.3... no
checking for cs-config-1.2... no
checking for cs-config... /usr/local/src/crystal/cs-config
checking if Crystal Space version >= 1.1... [: 7: ==: unexpected operator
/usr/local/src/crystal/cs-config: 33: --version: not found
[: 7: ==: unexpected operator
/usr/local/src/crystal/cs-config: 33: --version: not found
no
configure: error:
*** Crystal Space could not be found or was unusable. The latest version is
*** always available from http://www.crystalspace3d.org/
*** Also, be sure that you have either installed Crystal Space or set the
*** CRYSTAL environment variable properly.

[jorrit]

Is this bug still valid?