BR3060469: Fix SIGSEV on missed %deftok second parameter

In case if a second parameter of %deftok is missed we hit
NULL dereference. Fix it.

Reported-by: Christian Masloch
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/preproc.c b/preproc.c
index 5fafbd4c..e3b0c640 100644
--- a/preproc.c
+++ b/preproc.c
@@ -3177,7 +3177,7 @@ issue_error:
         while (tok_type_(t, TOK_WHITESPACE))
             t = t->next;
         /* t should now point to the string */
-        if (t->type != TOK_STRING) {
+        if (!tok_type_(t, TOK_STRING)) {
             error(ERR_NONFATAL,
                   "`%s` requires string as second parameter",
                   pp_directives[i]);