hs-v3: Don't close intro circuit for an encrypted descriptor

[dgoulet-tor]

To close intro circuits, we need a valid decrypted descriptor in order to find
the circuit by authentication key. However, we can have encrypted descriptors
in the client cache that are waiting for a client authorization token.

This commit doesn't attempt to close intro circuits for that situation because
we are unable to access the authentication key for each intro circuit.

Signed-off-by: David Goulet dgoulet@torproject.org

[coveralls]

Pull Request Test Coverage Report for Build 8303

• 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.0008%) to 63.466%

---

Files with Coverage Reduction	New Missed Lines	%
src/feature/hs/hs_common.c	1	84.27%

Totals
Change from base Build 8281:	-0.0008%
Covered Lines:	50089
Relevant Lines:	78922

---

💛 - Coveralls