--- old/src/java.desktop/unix/native/common/awt/awt_Font.c	2018-09-24 09:46:35.534834448 +0200
+++ new/src/java.desktop/unix/native/common/awt/awt_Font.c	2018-09-24 09:46:35.202834451 +0200
@@ -638,7 +638,7 @@
 
             /* XXX: sometimes XLoadQueryFont returns a bogus font structure */
             /* with negative ascent. */
-            if (xfont == (Font) NULL || xfont->ascent < 0) {
+            if (xfont == NULL || xfont->ascent < 0) {
                 if (xfont != NULL) {
                     XFreeFont(display, xfont);
                 }