Bump third-party/libswiftnav from 87d3e1f to 59ca6b5

dependabot[bot] · web-flow · commit b351cc70f9e9 · 2021-03-08T13:02:15.000Z
Bumps [third-party/libswiftnav](https://github.com/swift-nav/libswiftnav) from `87d3e1f` to `59ca6b5`. - [Release notes](https://github.com/swift-nav/libswiftnav/releases) - [Commits](swift-nav/libswiftnav@87d3e1f...59ca6b5) Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/third-party/libswiftnav b/third-party/libswiftnav
@@ -1 +1 @@
-Subproject commit 87d3e1f627da205e9ba0c908e178cb81b33a413f
+Subproject commit 59ca6b59e41924fd096756baabb87911a91ebe10
