Regressed by https://github.com/unicode-org/icu/commit/c3fe7e09d844

../../../source/i18n/L10n.cpp:208:82: error: use of undeclared identifier 'TRUE'
                currentLocaleIsOriginalGameLocale = (currentLocale == icu::Locale::getUS()) == TRUE;
                                                                                               ^

--- source/i18n/L10n.cpp.orig	2018-04-10 18:13:32 UTC
+++ source/i18n/L10n.cpp
@@ -205,7 +205,7 @@ void L10n::ReevaluateCurrentLocaleAndReload()
 	else
 	{
 		GetDictionaryLocale(locale, currentLocale);
-		currentLocaleIsOriginalGameLocale = (currentLocale == icu::Locale::getUS()) == TRUE;
+		currentLocaleIsOriginalGameLocale = (currentLocale == icu::Locale::getUS()) == true;
 		useLongStrings = false;
 	}
 	LoadDictionaryForCurrentLocale();