avfilter/af_ladspa: accepts ' ' as command separator too

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavfilter/af_ladspa.c

@@ -546,7 +546,7 @@ static av_cold int init(AVFilterContext *ctx)
         LADSPA_Data val;
         int ret;
 
-        if (!(arg = av_strtok(p, "|", &saveptr)))
+        if (!(arg = av_strtok(p, " |", &saveptr)))
             break;
         p = NULL;