$NetBSD$

Support pkgsrc's weird names for ffmpeg.

--- import.orig	2018-01-19 20:40:49.000000000 +0000
+++ import
@@ -28,7 +28,7 @@ case "$FILE" in
 *)
 	echo "Calling fallback decoder..." >&2
 
-	FFMPEG=$(which ffmpeg 2> /dev/null || which avconv 2> /dev/null)
+	FFMPEG=$(ls -1 @PREFIX@/bin | grep '^ffmpeg[0-9]*$' | tail -1)
 
 	if [ -z "$FFMPEG" ]; then
 		echo "$0: no ffmpeg or avconv available to decode file" >&2