diff -Nur vnc_unixsrc.target/Xvnc/programs/Xserver/mi/miarc.c vnc_unixsrc/Xvnc/programs/Xserver/mi/miarc.c
--- vnc_unixsrc.target/Xvnc/programs/Xserver/mi/miarc.c	2016-03-30 15:40:36 +0200
+++ vnc_unixsrc/Xvnc/programs/Xserver/mi/miarc.c	2016-03-30 15:43:13 +0200
@@ -71,11 +71,7 @@
 #include "Xfuncproto.h"
 
 static double miDsin(), miDcos(), miDasin(), miDatan2();
-double	cbrt(
-#if NeedFunctionPrototypes
-	     double
-#endif
-);
+double	cbrt();
 
 #ifdef ICEILTEMPDECL
 ICEILTEMPDECL