add errno_t to hdrgen

Author: bassiounix

libc/include/errno.h.def

@@ -33,6 +33,4 @@ __END_C_DECLS
 
 #define errno (*__llvm_libc_errno())
 
-#include "llvm-libc-types/errno_t.h"
-
 #endif // LLVM_LIBC_ERRNO_H

libc/include/errno.yaml

@@ -5,7 +5,8 @@ standards:
   - Linux
   - POSIX
 macros: []
-types: []
+types:
+  - type_name: errno_t
 enums: []
 objects: []
 functions: []