Clean up CI build for Windows

diff --git a/src/symbols.c b/src/symbols.c
index ebc4a5d73a14dff77f7497fe286d71d532085c52..2b2d9f21fb16fd86542217e427593a4078516b7a 100644 (file)
--- a/src/symbols.c
+++ b/src/symbols.c
@@ -273,7 +273,7 @@ switch_symbols(int nondefault)
             (*cursesgraphics_mode_callback)();
 # endif
 #endif
-#ifdef WIN32
+#if defined(TTY_GRAPHICS) && defined(WIN32)
         if (SYMHANDLING(H_IBM) && ibmgraphics_mode_callback)
             (*ibmgraphics_mode_callback)();
 #endif