* ext/coverage/coverage.c (rb_coverage_start): return nil.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Jul 10 14:09:05 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/coverage/coverage.c (rb_coverage_start): return nil.
+
 Thu Jul 10 12:41:56 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* thread.c (rb_thread_wait_for): fixed variable name.

ext/coverage/coverage.c

@@ -30,6 +30,7 @@ rb_coverage_start(VALUE klass)
 	RBASIC(coverages)->klass = 0;
 	rb_set_coverages(coverages);
     }
+    return Qnil;
 }
 
 static int