Fix recovery image build.

A recent adb cleanup changed the signature of adb_main.

Change-Id: I98d084f999966f1a7aa94c63e9ed996b3375096d
diff --git a/recovery.cpp b/recovery.cpp
index 8123903..515470f 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -942,7 +942,7 @@
     // only way recovery should be run with this argument is when it
     // starts a copy of itself from the apply_from_adb() function.
     if (argc == 2 && strcmp(argv[1], "--adbd") == 0) {
-        adb_main(0, DEFAULT_ADB_PORT);
+        adb_main(0, DEFAULT_ADB_PORT, -1);
         return 0;
     }