Fix some warnings/errors of type

git/epan/dissectors/packet-a21.c:478:25: error: 'item' was marked unused but was used
      [-Werror,-Wused-but-marked-unused]
        proto_item_append_text(item, "%s", val_to_str_const(event_id, a21_event_vals, "Unknown"));
                               ^
Added manual change id because file-jpeg.c forced the use of commit -n

Change-Id: Iffff53d6253758c8454d9583f0a11f317c8390cb
Reviewed-on: https://code.wireshark.org/review/14666
Reviewed-by: Jörg Mayer <jmayer@loplof.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/captype.c b/captype.c
index 8b75852992..1390f0ce06 100644
--- a/captype.c
+++ b/captype.c
@@ -104,7 +104,12 @@ get_captype_compiled_info(GString *str)
 }
 
 static void
-get_captype_runtime_info(GString *str _U_)
+get_captype_runtime_info(
+#if defined(HAVE_LIBZ) && !defined(_WIN32)
+    GString *str)
+#else
+    GString *str _U_)
+#endif
 {
   /* zlib */
 #if defined(HAVE_LIBZ) && !defined(_WIN32)