dirstate._dirs: fix refcounting broken by 7dfac37cfabf
reported by Patrick Waugh
#!/bin/shhg initecho a > ahg ci -d '0 0' -Amahg an aecho "[ui]" >> $HGRCPATHecho "strict=True" >> $HGRCPATHhg an ahg annotate aecho % should succeed - up is an alias, not an abbreviationhg up