vm_core.h: adjust indent [ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63209 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

vm_core.h

@@ -412,9 +412,9 @@ struct rb_iseq_constant_body {
     struct rb_call_cache *cc_entries; /* size is ci_size = ci_kw_size */
 
     struct {
-      rb_snum_t flip_count;
-      VALUE coverage;
-      VALUE original_iseq;
+	rb_snum_t flip_count;
+	VALUE coverage;
+	VALUE original_iseq;
     } variable;
 
     unsigned int local_table_size;