label xlhdxunload: squash -Wunused-variable warning in release mode

diff --git a/lib/label/xlabels.c b/lib/label/xlabels.c
index b09c3ad926417699289247996ad2b040cd3619c8..42ac42c9f8ae9a4844e78f1460b83962d22640aa 100644 (file)
--- a/lib/label/xlabels.c
+++ b/lib/label/xlabels.c
@@ -577,6 +577,7 @@ static void xlhdxunload(XLabels_t * xlp)
     }
   }
   assert(size==freed);
+  (void)size;
 }
 
 static int xlspdxload(XLabels_t * xlp)