Restructure the structs/unions involved in SRPC argument passing. This will...

tests/syscalls_deprecated/srpc_av.c

Index: tests/syscalls_deprecated/srpc_av.c
===================================================================
--- tests/syscalls_deprecated/srpc_av.c	(revision 3898)
+++ tests/syscalls_deprecated/srpc_av.c	(working copy)
@@ -33,7 +33,7 @@
   char message[kMessageSize];
   snprintf(message, kMessageSize, "Function %s returned %d\n", func, retval);
   /* SRPC will free string, so use strndup to make a copy */
-  out_args[0]->u.sval.str = strndup(message, kMessageSize);
+  out_args[0]->arrays.str = strndup(message, kMessageSize);
   return NACL_SRPC_RESULT_OK;
 }
 
@@ -181,7 +181,7 @@
     return;
   }
 
-  out_args[0]->u.sval.str = strdup("SUCCESS");
+  out_args[0]->arrays.str = strdup("SUCCESS");
   rpc->result = NACL_SRPC_RESULT_OK;
   done->Run(done);
 }