(Finternal_set_lisp_face_attribute): Check if the frame

is on a window system before accessing the fontset of the frame.

diff --git a/src/xfaces.c b/src/xfaces.c
index 51f13a30821fdc292e9223be034cee177554aca7..c2a5dd9d4a048e8bfc58520f3f5bff35cc3f0bf9 100644 (file)
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -4540,6 +4540,7 @@ FRAME 0 means change the face on all frames, and change the default
 
 #ifdef USE_FONT_BACKEND
          if (enable_font_backend
+             && FRAME_WINDOW_P (XFRAME (frame))
              && !UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value))
            {
              int fontset;