* thread.c: Fixed implicit conversion error with Apple clang-800.0.31

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55619 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Sun Jul 10 08:57:20 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* thread.c: Fixed implicit conversion error with Apple clang-800.0.31
+
 Sat Jul  9 12:43:09 2016  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* lib/getoptlong.rb: use false instead of FALSE.

thread.c

@@ -1085,7 +1085,7 @@ getclockofday(struct timeval *tp)
 
     if (clock_gettime(CLOCK_MONOTONIC, &ts) == 0) {
 	tp->tv_sec = ts.tv_sec;
-	tp->tv_usec = ts.tv_nsec / 1000;
+	tp->tv_usec = (int)(ts.tv_nsec / 1000);
     }
     else
 #endif