1.09 - Bugfix for incoming m4b

Script was delete m4b files, when it shouldn't...

root/scripts/readarr-pp.bash

@@ -2,7 +2,7 @@
 export LC_ALL=C.UTF-8
 export LANG=C.UTF-8
 TITLESHORT="APP"
-ScriptVersion="1.08"
+ScriptVersion="1.09"
 SECONDS=0
 
 set -e
@@ -16,7 +16,7 @@ echo "Processing: $1"
 
 Clean () {
 	if [ $(find "$1" -type f -regex ".*/.*\.\(\m4b|flac\|mp3\|m4a\|alac\|ogg\|opus\)" | wc -l) -gt 0 ]; then
-		find "$1" -type f -not -regex ".*/.*\.\(flac\|mp3\|m4a\|alac\|ogg\|opus\)" -delete
+		find "$1" -type f -not -regex ".*/.*\.\(\m4b\flac\|mp3\|m4a\|alac\|ogg\|opus\)" -delete
 		find "$1" -mindepth 2 -type f -exec mv "{}" "$1"/ \;
 		find "$1" -mindepth 1 -type d -delete
 	else