commit 5ca9a6b1e0f51b3ff65d1b5d8010ec5a71432078
Author: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date:   Wed Nov 4 13:51:16 2020 +0100

    NXdixfonts.c: Regression fix for db45683a. Fix typo in libXfont1 function call (FreeFontName -> FreeFontNames). Fixes FTBFS on Ubuntu 14.04 and 16.04.

diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
index 547dac3f..e222842b 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c
@@ -1353,7 +1353,7 @@ finish:
 #ifdef HAS_XFONT2
         xfont2_free_font_names(data->names);
 #else
-        FreeFontName(data->names);
+        FreeFontNames(data->names);
 #endif
         free(data);
       }