Run NaClEnvCleanser in standalone sel_ldr (in addition to sel_main_chrome). Add a couple of ld.so...

src/trusted/nonnacl_util/sel_ldr_launcher.cc

Index: src/trusted/nonnacl_util/sel_ldr_launcher.cc
===================================================================
--- src/trusted/nonnacl_util/sel_ldr_launcher.cc	(revision 5333)
+++ src/trusted/nonnacl_util/sel_ldr_launcher.cc	(working copy)
@@ -261,8 +261,8 @@
   // TODO(mseaborn): Tidy this up so that we do not need a conditional.
 #ifdef NACL_STANDALONE
   struct NaClEnvCleanser env_cleanser;
-  NaClEnvCleanserCtor(&env_cleanser);
-  if (!NaClEnvCleanserInit(&env_cleanser, GetEnviron())) {
+  NaClEnvCleanserCtor(&env_cleanser, 1);
+  if (!NaClEnvCleanserInit(&env_cleanser, GetEnviron(), NULL)) {
     NaClLog(LOG_FATAL, "Failed to initialise env cleanser\n");
   }
   for (const char* const* env = NaClEnvCleanserEnvironment(&env_cleanser);