ext/coverage/coverage.c (method_coverage): `id` was used uninitialized

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/coverage/coverage.c

@@ -96,7 +96,7 @@ static VALUE
 method_coverage(VALUE methods)
 {
     VALUE ret = rb_hash_new();
-    int i, id;
+    int i, id = 0;
 
     for (i = 0; i < RARRAY_LEN(methods); ) {
 	VALUE method_name = RARRAY_AREF(methods, i++);