Fix frame size when scroll bar width not an integral of column width.

xterm.c (x_set_window_size_1): scroll_bar_actual_width is always
SCROLL_BAR_COLS * COLUMN_WIDTH for the purpose of frame sizing.

src/ChangeLog

@@ -8,6 +8,8 @@
 	Remove #ifdef USE_GTK around finish = X_EVENT_DROP.
 	Remove #ifdef USE_MOTIF code that did SET_SAVED_BUTTON_EVENT for
 	ButtonRelease.
+	(x_set_window_size_1): scroll_bar_actual_width is always
+	SCROLL_BAR_COLS * COLUMN_WIDTH for the purpose of frame sizing.
 
 	* xdisp.c (pending_menu_activation): Remove extern declaration.
 	(prepare_menu_bars): Remove setting of pending_menu_activation.

src/xterm.c

@@ -8606,9 +8606,7 @@ x_set_window_size_1 (struct frame *f, int change_gravity, int cols, int rows)
   f->scroll_bar_actual_width
     = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f)
        ? 0
-       : FRAME_CONFIG_SCROLL_BAR_WIDTH (f) > 0
-       ? FRAME_CONFIG_SCROLL_BAR_WIDTH (f)
-       : (FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f)));
+       : FRAME_CONFIG_SCROLL_BAR_COLS (f) * FRAME_COLUMN_WIDTH (f));
 
   compute_fringe_widths (f, 0);