Merge JoinMarket-Org/joinmarket-clientserver#1320: Bump local Tor to latest version (0.4.7.8)

da88b1f71c Bump local Tor to latest version (0.4.7.8) (Kristaps Kaupe)

Pull request description:

  1) It is recommended upgrade, contains several bugfixes. See [ChangeLog](https://gitweb.torproject.org/tor.git/plain/ChangeLog?h=tor-0.4.7.8).

  2) With 0.4.6.10 and shellcheck 0.8.0 installed on local machine, got this build error (which is fixed in 0.4.7.8):
  ```
  ./scripts/maint/checkShellScripts.sh
  /usr/bin/shellcheck
  /usr/bin/realpath
  Unusual pattern permitted.h in ./scripts/maint/practracker/testdata

  In /home/user/git/joinmarket-clientserver/deps/tor-0.4.6.10/src/test/test_rust.sh line 6:
  export LSAN_OPTIONS=suppressions=${abs_top_srcdir:-../../..}/src/test/rust_supp.txt
                                   ^-------------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

  Did you mean:
  export LSAN_OPTIONS=suppressions="${abs_top_srcdir:-../../..}"/src/test/rust_supp.txt

  gmake[2]: Entering directory '/home/user/git/joinmarket-clientserver/deps/tor-0.4.6.10'
  SKIP: src/test/test_keygen.sh
  SKIP: src/test/fuzz_static_testcases.sh
  SKIP: src/test/test_key_expiration.sh
  SKIP: src/test/test_zero_length_keys.sh
  For more information:
    https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...
  gmake[1]: *** [Makefile:24755: shellcheck] Error 1
  gmake[1]: *** Waiting for unfinished jobs....
  ...
  gmake: *** [Makefile:22315: check-am] Error 2
  Building local Tor was requested, but not built. Exiting.
  ```

Top commit has no ACKs.

Tree-SHA512: a5206e27c3addc1614bbc261ac1f2ad7630ab713f3f61b63635f14a2d8efb60df89f5f1ca7238920bac0bf7ac557d72528008018d33f993a95930f96bfe148aa

install.sh

@@ -385,9 +385,9 @@ tor_build ()
 
 tor_install ()
 {
-    tor_version='tor-0.4.6.10'
+    tor_version='tor-0.4.7.8'
     tor_tar="${tor_version}.tar.gz"
-    tor_sha='94ccd60e04e558f33be73032bc84ea241660f92f58cfb88789bda6893739e31c'
+    tor_sha='9e9a5c67ad2acdd5f0f8be14ed591fed076b1708abf8344066990a0fa66fe195'
     tor_url='https://dist.torproject.org'
 
     if ! dep_get "${tor_tar}" "${tor_sha}" "${tor_url}"; then