Fix grp.h and gid_t/uid_t for Go

src/header/grp/cbindgen.toml

@@ -1,4 +1,4 @@
-sys_includes = []
+sys_includes = ["sys/types.h", "stdint.h"]
 include_guard = "_RELIBC_GRP_H"
 language = "C"
 style = "Tag"

src/platform/types.rs

@@ -61,8 +61,8 @@ pub type mode_t = c_int;
 pub type time_t = c_longlong;
 pub type pid_t = c_int;
 pub type id_t = c_uint;
-pub type gid_t = c_int;
-pub type uid_t = c_int;
+pub type gid_t = c_uint;
+pub type uid_t = c_uint;
 pub type dev_t = c_long;
 pub type ino_t = c_ulonglong;
 pub type nlink_t = c_ulong;