Fix precompiler warning about bad error directive
The preprocessor was complaining about the
unclosed apostrophe in "Don't".
@@ -49,7 +49,7 @@ typedef struct stat64 portable_stat_struct;
# if defined(ENOATTR)
# define ENODATA ENOATTR
# else
-# error Don't know how to handle missing ENODATA
+# error We do not know how to handle missing ENODATA
# endif
#endif
