JIRA breaks on Windows CVSROOT paths

> It seems that JIRA 2.6 CVS support can't work with cvs servers running
> on windows machines. I got the following exception when trying to setup
> my CVS repository:
>
> java.lang.NumberFormatException: For input string: "g:"
> at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
> at java.lang.Integer.parseInt(Integer.java:468)
> at java.lang.Integer.parseInt(Integer.java:518)
> at com.atlassian.jira.vcs.cvsimpl.CVSRoot.<init>(CVSRoot.java:49)
> at com.atlassian.jira.vcs.cvsimpl.CvsRepositoryUtilImpl.getCVSRoot(CvsRepositoryUtilImpl.java:158)
> at com.atlassian.jira.vcs.cvsimpl.CvsRepositoryUtilImpl.getCVSRootFromRootFile(CvsRepositoryUtilImpl.java:150)
> at com.atlassian.jira.vcs.cvsimpl.CvsRepositoryUtilImpl.getCVSRoot(CvsRepositoryUtilImpl.java:119)
> at com.atlassian.jira.vcs.cvsimpl.CvsRepositoryUtilImpl.openConnectionToRepository(CvsRepositoryUtilImpl.java:98
> )