Add libevent submodule (should hopefully fix Mac build)

diff --git a/.gitmodules b/.gitmodules
new file mode 100644 (file)
index 0000000..3d32a04
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "third-party/libevent"]
+       path = third-party/libevent
+       url = https://github.com/transmission/libevent

diff --git a/third-party/libevent b/third-party/libevent
new file mode 160000 (submodule)
index 0000000..c51b159
--- /dev/null
+++ b/third-party/libevent
@@ -0,0 +1 @@
+Subproject commit c51b159cff9f5e86696f5b9a4c6f517276056258