style(rpm): quote an argument properly

Author: akinomyoga

completions/rpm

@@ -119,7 +119,7 @@ _comp_cmd_rpm()
                     *supplements) fmt="%{SUPPLEMENTNAME}" ;;
                 esac
                 _comp_compgen_split -- "$("$1" -qa --nodigest --nosignature \
-                    --queryformat=\"$fmt\\n\" 2>/dev/null |
+                    --queryformat="\"$fmt\\n\"" 2>/dev/null |
                     command grep -vF '(none)')"
             fi
             return