Provides some of the missing POSIX file syscalls

src/untrusted/irt/irt_interfaces.c

Index: src/untrusted/irt/irt_interfaces.c
diff --git a/src/untrusted/irt/irt_interfaces.c b/src/untrusted/irt/irt_interfaces.c
index cd1d4382ac59653338a9ced23094ebafba9627e6..7322b338d29c54338da14cfa877a7efb60fff89f 100644
--- a/src/untrusted/irt/irt_interfaces.c
+++ b/src/untrusted/irt/irt_interfaces.c
@@ -43,9 +43,13 @@ static const struct nacl_interface_table irt_interfaces[] = {
   { NACL_IRT_BASIC_v0_1, &nacl_irt_basic, sizeof(nacl_irt_basic), NULL },
   { NACL_IRT_FDIO_v0_1, &nacl_irt_fdio, sizeof(nacl_irt_fdio), NULL },
   { NACL_IRT_DEV_FDIO_v0_1, &nacl_irt_fdio, sizeof(nacl_irt_fdio), NULL },
+  { NACL_IRT_DEV_FDIO_v0_2, &nacl_irt_dev_fdio, sizeof(nacl_irt_dev_fdio),
+    NULL },
   { NACL_IRT_FILENAME_v0_1, &nacl_irt_filename, sizeof(nacl_irt_filename),
     NULL },
-  { NACL_IRT_DEV_FILENAME_v0_2, &nacl_irt_dev_filename,
+  { NACL_IRT_DEV_FILENAME_v0_2, &nacl_irt_dev_filename_v0_2,
+    sizeof(nacl_irt_dev_filename_v0_2), file_access_filter },
+  { NACL_IRT_DEV_FILENAME_v0_3, &nacl_irt_dev_filename,
     sizeof(nacl_irt_dev_filename), file_access_filter },
   { NACL_IRT_MEMORY_v0_1, &nacl_irt_memory_v0_1, sizeof(nacl_irt_memory_v0_1),
     NULL },