change(types): add mode_t

gblibc/include/sys/stat.h

@@ -11,7 +11,7 @@ extern "C" {
 struct stat {
     dev_t st_dev;
     ino_t st_ino;
-    uint16_t st_mode;
+    mode_t st_mode;
     uint16_t st_nlink;
     uint16_t st_uid;
     uint16_t st_gid;

gblibc/include/sys/types.h

@@ -11,6 +11,7 @@ typedef int pid_t;
 typedef uint32_t ino_t;
 typedef int32_t off_t;
 typedef uint32_t dev_t;
+typedef uint16_t mode_t;
 
 #define INVALID_DEVICE (~(dev_t)0)