Switch init over to _PATH_DEFPATH.

Bug: 19564110
Change-Id: I343b4a360b10319dca13ab01f2d411ff940e9052
diff --git a/init/init.cpp b/init/init.cpp
index e090620..3c6e8a4 100644
--- a/init/init.cpp
+++ b/init/init.cpp
@@ -18,6 +18,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <libgen.h>
+#include <paths.h>
 #include <signal.h>
 #include <stdarg.h>
 #include <stdio.h>
@@ -988,6 +989,8 @@
     // Clear the umask.
     umask(0);
 
+    add_environment("PATH", _PATH_DEFPATH);
+
     // Get the basic filesystem setup we need put together in the initramdisk
     // on / and then we'll let the rc file figure out the rest.
     mkdir("/dev", 0755);