bbb-pre-install.sh: Fix error installing needed packages.

bbb-pre-install.sh

@@ -363,6 +363,9 @@ if [[ $? -ne 0 ]]; then
       read OK
    done
    [[ $OK = "yes" ]] || fatal "Interrupted by user."
+else
+   echo_ok
+fi
 
 
 echononl "Install package 'aptitude'.."
@@ -396,6 +399,7 @@ for _pkg in $NEEDED_DEBIAN_PACKAGES ; do
    fi
    [[ $? -gt 0 ]] && _error=true
 done
+
 if $_error ; then
    echo_failed
    error "$(cat $log_file)"
@@ -439,9 +443,6 @@ if [[ ${#needed_debian_package_arr[@]} -gt 0 ]]; then
       fi
    done
 
-else
-	echo_ok
-fi
 else
    info "All needed debian packages already installed."
 fi