Fix bit crash

Change-Id: Ie9314b3d52b9262ac6f964ab833bb36eefb4278f
diff --git a/tools/bit/main.cpp b/tools/bit/main.cpp
index 0f555b1..1a91f52 100644
--- a/tools/bit/main.cpp
+++ b/tools/bit/main.cpp
@@ -856,7 +856,7 @@
             // TODO: if (!apk.file.fileInfo.exists || apk.file.HasChanged())
             err = run_adb("shell", "mkdir", "-p", dir.c_str(), NULL);
             check_error(err);
-            err = run_adb("push", pushed.file.filename.c_str(), pushed.dest.c_str());
+            err = run_adb("push", pushed.file.filename.c_str(), pushed.dest.c_str(), NULL);
             check_error(err);
             // pushed.installed = true;
         }