More work cleaning up the BUILD files

Change-Id: I47fb18e7a12cd7e081631a5369274ef1e25f22c4
diff --git a/y2014/wpilib/BUILD b/y2014/wpilib/BUILD
index a80ab2d..26f1645 100644
--- a/y2014/wpilib/BUILD
+++ b/y2014/wpilib/BUILD
@@ -9,7 +9,7 @@
     '//aos/linux_code:init',
     '//aos/common:stl_mutex',
     '//aos/common/logging',
-    '//third_party/WPILib',
+    '//aos/externals:wpilib',
     '//y2014:constants',
     '//y2014/queues:auto_mode',
     '//y2014/control_loops/drivetrain:drivetrain_queue',