Fix the previous commit.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42446 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,4 +1,4 @@
-Thu Aug  8 21:10:05 2013  Tanaka Akira  <akr@fsij.org>
+Thu Aug  8 21:32:22 2013  Tanaka Akira  <akr@fsij.org>
 
 	* time.c (time_overflow_p): Avoid signed integer overflow.
 

time.c

@@ -2231,7 +2231,7 @@ time_overflow_p(time_t *secp, long *nsecp)
     }
     if (nsec < 0) {		/* nsec negative overflow */
 	sec2 = NDIV(nsec,1000000000); /* negative div */
-	if (sec < TIMET_MAX - sec2) {
+	if (sec < TIMET_MIN - sec2) {
 	    rb_raise(rb_eRangeError, "out of Time range");
 	}
 	nsec = NMOD(nsec,1000000000);      /* negative mod */