Merge pull request #3 from chessami92/master

Prevent increment order bug on some compilers.

Author: James McLaughlin

json-builder.c

@@ -593,7 +593,8 @@ size_t json_measure_ex (json_value * value, json_serialize_opts opts)
                MEASURE_NEWLINE();
             }
 
-            value = value->u.array.values [((json_builder_value *) value)->length_iterated ++];
+            ((json_builder_value *) value)->length_iterated++;
+            value = value->u.array.values [((json_builder_value *) value)->length_iterated - 1];
             continue;
 
          case json_object:
@@ -783,7 +784,8 @@ void json_serialize_ex (json_char * buf, json_value * value, json_serialize_opts
                PRINT_NEWLINE();
             }
 
-            value = value->u.array.values [((json_builder_value *) value)->length_iterated ++];
+            ((json_builder_value *) value)->length_iterated++;
+            value = value->u.array.values [((json_builder_value *) value)->length_iterated - 1];
             continue;
 
          case json_object: