#11 FIONREAD patch for OpenIndiana Hipster

[Jason Martin]

--- fox-1.6.57/src/FXGUISignal.cpp.~1~  Tue Apr  3 23:42:42 2018
+++ fox-1.6.57/src/FXGUISignal.cpp  Sat Jul 14 23:02:52 2018
@@ -45,6 +45,10 @@
 #endif
 #include "FXGUISignal.h"

+#ifdef __sun__
+   #include <sys/filio.h>      /* For FIONREAD */
+#endif
+
 /*
   Notes:
   - On UNIX, pipe will be closed on exec of child process; we don't want