Bump third-party/libswiftnav from d74f063 to bfa686b

dependabot[bot] · web-flow · commit 56c80a285e88 · 2020-11-03T01:59:35.000Z
Bumps [third-party/libswiftnav](https://github.com/swift-nav/libswiftnav) from `d74f063` to `bfa686b`. - [Release notes](https://github.com/swift-nav/libswiftnav/releases) - [Commits](swift-nav/libswiftnav@d74f063...bfa686b) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/third-party/libswiftnav b/third-party/libswiftnav
@@ -1 +1 @@
-Subproject commit d74f063b7da54f1c9c485a048a58949bac6bad58
+Subproject commit bfa686bac73d26118325697b1b8b79c9a2b3ed3b
