diff -up thunderbird-52.3.0/mozilla/intl/icu/source/i18n/digitlst.cpp.xlocale thunderbird-52.3.0/mozilla/intl/icu/source/i18n/digitlst.cpp --- thunderbird-52.3.0/mozilla/intl/icu/source/i18n/digitlst.cpp.xlocale 2017-08-24 14:42:48.634084293 +0200 +++ thunderbird-52.3.0/mozilla/intl/icu/source/i18n/digitlst.cpp 2017-08-24 14:42:50.534084676 +0200 @@ -64,7 +64,7 @@ # if U_PLATFORM_USES_ONLY_WIN32_API || U_PLATFORM == U_PF_CYGWIN # include <locale.h> # else -# include <xlocale.h> +# include <locale.h> # endif #endif