PERMISSIONS: Add missing check for string token.

diff --git a/src/language/utilities/permissions.c b/src/language/utilities/permissions.c
index 03458fcef01671f4ea4b263873ff89ebe86a7a2b..967b1bd2a1c314cca681dd78516084fd30921994 100644 (file)
--- a/src/language/utilities/permissions.c
+++ b/src/language/utilities/permissions.c
@@ -47,6 +47,9 @@ cmd_permissions (struct lexer *lexer, struct dataset *ds UNUSED)
   if (lex_match_id (lexer, "FILE"))
     lex_match (lexer, '=');
 
+  if (!lex_force_string (lexer))
+    return CMD_FAILURE;
+
   fn = ds_xstrdup (lex_tokstr (lexer));
   lex_force_match (lexer, T_STRING);