Better not forget to make sure GTK1 doesn't break.

[PuTTY.git] / unix / gtkwin.c

diff --git a/unix/gtkwin.c b/unix/gtkwin.c
index e121971ba58774a7580dc6cbc26f10075ffe55cf..3743672a5a0a3406fb569b6e561d2a69dbfd76e7 100644 (file)
--- a/unix/gtkwin.c
+++ b/unix/gtkwin.c
@@ -2695,6 +2695,7 @@ int uxsel_input_add(int fd, int rwx) {
     if (rwx & 1) flags |= GDK_INPUT_READ;
     if (rwx & 2) flags |= GDK_INPUT_WRITE;
     if (rwx & 4) flags |= GDK_INPUT_EXCEPTION;
+    assert(flags);
     return gdk_input_add(fd, flags, fd_input_func, NULL);
 }