Fixed build with no ENABLE_LOGGING_AND_PROFILING

src/log.cc

Index: src/log.cc
diff --git a/src/log.cc b/src/log.cc
index 7ecf2ac63b107e822b72cdacc0597b7f1345bf38..04119fff8af194c45e7dc001ccc07e0504b60c4d 100644
--- a/src/log.cc
+++ b/src/log.cc
@@ -432,6 +432,7 @@ void Logger::RegExpCompileEvent(Handle<JSRegExp> regexp, bool in_cache) {
 
 
 void Logger::LogRuntime(Vector<const char> format, JSArray* args) {
+#ifdef ENABLE_LOGGING_AND_PROFILING
   ScopedLock sl(mutex_);
   HandleScope scope;
   for (int i = 0; i < format.length(); i++) {
@@ -465,6 +466,7 @@ void Logger::LogRuntime(Vector<const char> format, JSArray* args) {
     }
   }
   fputc('\n', logfile_);
+#endif
 }