Avoid strerror_r portability issues

runtime/bin/thread_linux.cc

Index: runtime/bin/thread_linux.cc
diff --git a/runtime/bin/thread_linux.cc b/runtime/bin/thread_linux.cc
index eaa4f2a7f68d9da257a301fb13f0e26335eae761..dc07de4bddf6a77019ff4013238532b37040c1a5 100644
--- a/runtime/bin/thread_linux.cc
+++ b/runtime/bin/thread_linux.cc
@@ -12,6 +12,7 @@
 #include <sys/time.h>  // NOLINT
 
 #include "platform/assert.h"
+#include "platform/utils.h"
 
 namespace dart {
 namespace bin {
@@ -21,7 +22,7 @@ namespace bin {
     const int kBufferSize = 1024; \
     char error_buf[kBufferSize]; \
     FATAL2("pthread error: %d (%s)", result, \
-           strerror_r(result, error_buf, kBufferSize)); \
+           Utils::StrError(result, error_buf, kBufferSize)); \
   }
 
 
@@ -32,7 +33,7 @@ namespace bin {
     char error_buf[kBufferSize]; \
     fprintf(stderr, "%s:%d: pthread error: %d (%s)\n", \
             __FILE__, __LINE__, result, \
-            strerror_r(result, error_buf, kBufferSize)); \
+            Utils::StrError(result, error_buf, kBufferSize)); \
     return result; \
   }
 #else