applied definebuttonsound patch from Dan Weiss

diff --git a/lib/modules/swftools.c b/lib/modules/swftools.c
index 1dc66d8..6baecd1 100644 (file)
--- a/lib/modules/swftools.c
+++ b/lib/modules/swftools.c
@@ -584,10 +584,13 @@ void enumerateUsedIDs(TAG * tag, int base, void (*callback)(TAG*, int, void*), v
        case ST_DEFINEBUTTONSOUND: {
            int t;
            callback(tag, tag->pos + base, callback_data);
+           swf_GetU16(tag); //button id
            for(t=0;t<4;t++) {
                int flags;
                callback(tag, tag->pos + base, callback_data);
-               swf_GetU16(tag); //sound id
+               U16 sound_id = swf_GetU16(tag); //sound id
+               if(!sound_id)
+                   continue;
                flags = swf_GetU8(tag);
                if(flags&1)
                    swf_GetU32(tag); // in point