Modify arj configuration to assume yes on all queries; prevent hang on user input

src/binwalk/config/extract.conf

@@ -33,7 +33,7 @@
 ^posix tar archive:tar:tar xvf '%e'
 ^rar archive data:rar:unrar e '%e'
 ^rar archive data:rar:unrar -x '%e' # This is for the 'free' version
-^arj archive data.*comment header:arj:arj e '%e'
+^arj archive data.*comment header:arj:arj -y e '%e'
 ^lha:lha:lha ei '%e'
 ^iso 9660:iso:7z x '%e' -oiso-root
 ^microsoft cabinet archive:cab:cabextract '%e'