reference/cstdint/int_fast16_max.md: Readded verified mark

Author: rotarymars

reference/cstdint/int_fast16_max.md

@@ -60,10 +60,10 @@ INT_FAST16_MAX + 1: -32768
 - C++11
 
 ### 処理系
-- [Clang](/implementation.md#clang): 3.2
-- [GCC](/implementation.md#gcc): 4.7.0
+- [Clang](/implementation.md#clang): 3.2 [mark verified]
+- [GCC](/implementation.md#gcc): 4.7.0 [mark verified]
 - [ICC](/implementation.md#icc): ??
-- [Visual C++](/implementation.md#visual_cpp): 2010, 2012, 2013
+- [Visual C++](/implementation.md#visual_cpp): 2010 [mark verified], 2012 [mark verified], 2013 [mark verified]
 
 ## 参照
 - [`<cstdint>`](/reference/cstdint.md)