bug13163-bitwise-check-BRIDGE-DIRINFO 314 B

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  1. o Minor bugfixes:
  2. - Bitwise check the BRIDGE_DIRINFO flag rather than using equality.
  3. Fixes a (potential) bug where directories offering BRIDGE_DIRINFO and
  4. some other flag (i.e. microdescriptors or extrainfo) would be ignored
  5. when looking for bridge directories. Partially fixes bug 13163.