Update show directory entry for given show id in TVLibrary table.

    Parameters
    ----------
      showID : int
        Show id value.

      showDir : string
        Show directory name.

def UpdateShowDirInTVLibrary(self, showID, showDir):
    """
    Update show directory entry for given show id in TVLibrary table.

    Parameters
    ----------
      showID : int
        Show id value.

      showDir : string
        Show directory name.
    """
    goodlogging.Log.Info("DB", "Updating TV library for ShowID={0}: ShowDir={1}".format(showID, showDir))
    self._ActionDatabase("UPDATE TVLibrary SET ShowDir=? WHERE ShowID=?", (showDir, showID))