emacs-27 d4f51d0: Don't draw GTK's internal border and tab bar on top of each other

[Martin Rudalics]

branch: emacs-27
commit d4f51d0a2ef0dbba7a798cd7b8b0a791f723bda5
Author: Martin Rudalics <address@hidden>
Commit: Martin Rudalics <address@hidden>

    Don't draw GTK's internal border and tab bar on top of each other
    
    * src/xterm.c (x_clear_under_internal_border): For GTK builds
    have 'margin' count in the height of the tab bar to avoid that
    tab bar and internal border are drawn on top of each other.
---
 src/xterm.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/src/xterm.c b/src/xterm.c
index 2ba3c00..bda976f 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -1291,11 +1291,7 @@ x_clear_under_internal_border (struct frame *f)
       int border = FRAME_INTERNAL_BORDER_WIDTH (f);
       int width = FRAME_PIXEL_WIDTH (f);
       int height = FRAME_PIXEL_HEIGHT (f);
-#ifdef USE_GTK
-      int margin = 0;
-#else
       int margin = FRAME_TOP_MARGIN_HEIGHT (f);
-#endif
       int face_id =
        !NILP (Vface_remapping_alist)
        ? lookup_basic_face (NULL, f, INTERNAL_BORDER_FACE_ID)