patch 8.0.0675: 'colorcolumn' has a higher priority than 'hlsearch'

Problem:    'colorcolumn' has a higher priority than 'hlsearch', it should be
            the other way around. (Nazri Ramliy)
Solution:   Change the priorities. (LemonBoy, closes #1794)
diff --git a/src/screen.c b/src/screen.c
index 617051c..3b281a8 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -5502,7 +5502,8 @@
 	 * Also highlight the 'colorcolumn' if it is different than
 	 * 'cursorcolumn' */
 	vcol_save_attr = -1;
-	if (draw_state == WL_LINE && !lnum_in_visual_area)
+	if (draw_state == WL_LINE && !lnum_in_visual_area
+		&& search_attr == 0 && area_attr == 0)
 	{
 	    if (wp->w_p_cuc && VCOL_HLC == (long)wp->w_virtcol
 						 && lnum != wp->w_cursor.lnum)