Security fix for the ALT Linux 10 package firefox-esr version 52.5.0-alt1

Nov. 15, 2017 Andrey Cherepanov 52.5.0-alt1 - New ESR version 52.5.0 - Fixes: + CVE-2017-7828 Use-after-free of PressShell while restyling layout + CVE-2017-7830 Cross-origin URL information leak through Resource + CVE-2017-7826 Memory safety bugs fixed in Firefox 57 and Firefox ESR...