Merge "Add the <dirent.h> feature macros glibc uses."

libc/include/dirent.h

@@ -58,6 +58,12 @@ struct dirent64 { __DIRENT64_BODY };
 
 #undef __DIRENT64_BODY
 
+/* glibc compatibility. */
+#undef _DIRENT_HAVE_D_NAMLEN /* Linux doesn't have a d_namlen field. */
+#define _DIRENT_HAVE_D_RECLEN
+#define _DIRENT_HAVE_D_OFF
+#define _DIRENT_HAVE_D_TYPE
+
 #define d_fileno d_ino
 
 typedef struct DIR DIR;