fix a warning in display.c

display.c: In function ‘redraw_map’:
display.c:1460:15: warning: variable ‘glyph’ set but not used [-Wunused-but-set-variable]
 1460 |     int x, y, glyph;
      |               ^~~~~

diff --git a/src/display.c b/src/display.c
index 04a91a08b574c89d587591f3ab6a4e27f83d9fd2..d2bbe9cbe43139c8010acf2639d69b0a721b990b 100644 (file)
--- a/src/display.c
+++ b/src/display.c
@@ -1484,6 +1484,9 @@ redraw_map()
                         Glyphinfo_at(x, y, glyph), &bkglyphinfo);
         }
     flush_screen(1);
+#ifndef UNBUFFERED_GLYPHINFO
+    nhUse(glyph);
+#endif
 }
 
 /*