sudo_edit_openat_nofollow: Fix typo, O_DIRECTORY not DIRECTORY

Only affects systems without O_NOFOLLOW.

Author: millert

src/edit_open.c

@@ -289,7 +289,7 @@ sudo_edit_openat_nofollow(int dfd, char *path, int oflags, mode_t mode)
     debug_decl(sudo_edit_openat_nofollow, SUDO_DEBUG_EDIT);
 
     /* Save cwd and chdir to dfd (cannot use O_PATH on older Linux kernels). */
-    if ((odfd = open(".", O_RDONLY|DIRECTORY)) == -1)
+    if ((odfd = open(".", O_RDONLY|O_DIRECTORY)) == -1)
 	debug_return_int(-1);
     if (fchdir(dfd) == -1) {
 	close(odfd);