Disable the mutex protecting multiple-lines of log output from being separated.

src/shared/srpc/utility.c

Index: src/shared/srpc/utility.c
===================================================================
--- src/shared/srpc/utility.c	(revision 5226)
+++ src/shared/srpc/utility.c	(working copy)
@@ -16,23 +16,23 @@
 #include "native_client/src/include/portability_io.h"
 #include "native_client/src/include/portability_process.h"
 
-#include "native_client/src/shared/platform/nacl_sync_checked.h"
 #include "native_client/src/shared/srpc/nacl_srpc.h"
 #include "native_client/src/shared/srpc/nacl_srpc_internal.h"
 
-static struct NaClMutex log_mu;
+/* TODO(sehr): Re-enable logging mutex when this does not require C++. */
+/* static struct NaClMutex log_mu; */
 
 #define VERBOSITY_NOT_SET ((int) (((unsigned) -1) >> 1))
 
 static int verbosity = VERBOSITY_NOT_SET;
 
 int NaClSrpcLogInit() {
-  NaClXMutexCtor(&log_mu);
+  /* NaClXMutexCtor(&log_mu); */
   return 1;
 }
 
 void NaClSrpcLogFini() {
-  NaClMutexDtor(&log_mu);
+  /* NaClMutexDtor(&log_mu); */
 }
 
 static int getVerbosity() {
@@ -59,10 +59,10 @@
     const char* host_or_nacl = "HOST";
 #endif
     va_start(ap, fmt);
-    NaClXMutexLock(&log_mu);
+    /* NaClXMutexLock(&log_mu); */
     fprintf(stderr, "[SRPC: %08x: %s] ", pid, host_or_nacl);
     vfprintf(stderr, fmt, ap);
-    NaClXMutexUnlock(&log_mu);
+    /* NaClXMutexUnlock(&log_mu); */
     va_end(ap);
   }
 }