fix indent in struct.c

mrbgems/mruby-struct/src/struct.c

@@ -41,8 +41,8 @@ struct_ivar_get(mrb_state *mrb, mrb_value c, mrb_sym id)
 {
   struct RClass* kclass;
   struct RClass* sclass = struct_class(mrb);
-
   mrb_value ans;
+
   for (;;) {
     ans = mrb_iv_get(mrb, c, id);
     if (!mrb_nil_p(ans)) return ans;
@@ -99,7 +99,6 @@ mrb_struct_s_members_m(mrb_state *mrb, mrb_value klass)
     mrb_ary_push(mrb, ary, *p);
     p++;
   }
-
   return ary;
 }
 
@@ -216,7 +215,6 @@ mrb_struct_set(mrb_state *mrb, mrb_value obj, mrb_value val)
       return ptr[i] = val;
     }
   }
-
   mrb_raisef(mrb, E_NAME_ERROR, "`%s' is not a struct member",
              mrb_sym2name(mrb, mid));
   return mrb_nil_value();            /* not reached */
@@ -292,7 +290,6 @@ make_struct(mrb_state *mrb, mrb_value name, mrb_value members, struct RClass * k
       mrb_define_method_id(mrb, c, mrb_id_attrset(mrb, id), mrb_struct_set_m, ARGS_REQ(1));
     }
   }
-
   return nstr;
 }
 
@@ -407,6 +404,7 @@ static int
 num_members(mrb_state *mrb, struct RClass *klass)
 {
   mrb_value members;
+
   members = struct_ivar_get(mrb, mrb_obj_value(klass), mrb_intern(mrb, "__members__"));
   if (!mrb_array_p(members)) {
     mrb_raise(mrb, E_TYPE_ERROR, "broken members");