patch 9.2.0086: Coverity complains that ScreenLines can be NULL

Problem:  Coverity complains that ScreenLines can be NULL
          (after v9.2.0080)
Solution: Remove null test

closes: #19538
CID: 1682067

Signed-off-by: Christian Brabandt <cb@256bit.org>

src/popupwin.c

@@ -4414,7 +4414,7 @@ draw_opacity_padding_cell(
 
 	    // Prefer current screen state for detecting a wide char, since the
 	    // saved data may not contain a reliable right-half marker.
-	    if (base_off >= 0 && ScreenLines != NULL)
+	    if (base_off >= 0)
 	    {
 		if (ScreenLinesUC != NULL
 			&& ScreenLinesUC[base_off] != 0

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    86,
 /**/
     85,
 /**/