Merge pull request #70 from Rbb666/inttypes

[add]Supplement missing xxx_fastxx_t definition.

include/inttypes.h

@@ -19,6 +19,15 @@ typedef unsigned long long      uintmax_t;
 typedef signed long long        int_fast64_t;
 typedef unsigned long long      uint_fast64_t;
 
+typedef signed int          int_fast32_t;
+typedef unsigned int        uint_fast32_t;
+
+typedef signed int          int_fast16_t;
+typedef unsigned int        uint_fast16_t;
+
+typedef signed int          int_fast8_t;
+typedef unsigned int        uint_fast8_t;
+
 typedef struct
 {
     intmax_t quot;