Update libc/include/llvm-libc-types/fd_set.h

Co-authored-by: Nick Desaulniers <[email protected]>

Author: lntue

libc/include/llvm-libc-types/fd_set.h

@@ -9,7 +9,7 @@
 #ifndef LLVM_LIBC_TYPES_FD_SET_H
 #define LLVM_LIBC_TYPES_FD_SET_H
 
-#include "../llvm-libc-macros/sys-select-macros.h" // FD_SETSIZE
+#include "../llvm-libc-macros/sys-select-macros.h" // __FD_SET_WORD_TYPE, __FD_SET_ARRAYSIZE
 
 typedef struct {
   __FD_SET_WORD_TYPE __set[__FD_SET_ARRAYSIZE];