Add return code to local deb install failure

installJRMC

@@ -495,7 +495,7 @@ install_package() {
   # Install packages if any need installation
   if [[ ${#pkg_array[@]} -gt 0 ]]; then
     if ! "${PKG_INSTALL[@]}" "${install_flags[@]}" "${pkg_array[@]}"; then     
-      (( silent )) || err "Failed to install ${pkg_array[*]}."
+      ((silent)) || err "Failed to install ${pkg_array[*]}"
       return 1
     fi
   fi
@@ -887,6 +887,8 @@ install_mc_deb() {
     if ask_ok "Remove source DEB and retry"; then
       execute rm -f "$MC_DEB"
       exec "$SCRIPT_PATH" "$@" "--no-update"
+    else
+      return 1
     fi
   fi
 }