Fix typo in log

"interface" was misspelled as "interfae"

Tested:
Build pass.

Change-Id: Iad3bbb2663d5e4aa46887a2e3a5148e0a01e88dd
Signed-off-by: Jiaqing Zhao <jiaqing.zhao@intel.com>
diff --git a/sd_event_loop.cpp b/sd_event_loop.cpp
index 23f91e4..acf5e68 100644
--- a/sd_event_loop.cpp
+++ b/sd_event_loop.cpp
@@ -210,7 +210,7 @@
                             entry("ERROR=%s", strerror(errno)));
             return EXIT_FAILURE;
         }
-        log<level::INFO>("Bind to interfae",
+        log<level::INFO>("Bind to interface",
                          entry("INTERFACE=%s", iface.c_str()));
     }
     // cannot be constexpr because it gets passed by address