Changed debug.sh to call chroot using full path

scripts/Build-Pkg

@@ -209,7 +209,7 @@ if [ "$chroot" = 1 ] ; then
 		fi
 
 		export ROCK_THIS_IS_CHROOT=1
-		chroot "$xroot" /bin/bash TOOLCHAIN/src.$pkg.$config.$id/debug_x.sh
+		/usr/sbin/chroot "$xroot" /bin/bash TOOLCHAIN/src.$pkg.$config.$id/debug_x.sh
 
 		if ! fuser -s "$xroot/TOOLCHAIN/" ; then
 			echo "Loop mounts appear unused - un-mounting ..."