Bug 1824508 - Make intl/components buildable outside of a unified build environment r=andi

Differential Revision: https://phabricator.services.mozilla.com/D173608

intl/components/gtest/moz.build

@@ -28,5 +28,3 @@ UNIFIED_SOURCES += [
 ]
 
 FINAL_LIBRARY = "xul-gtest"
-
-REQUIRES_UNIFIED_BUILD = True

intl/components/moz.build

@@ -80,5 +80,3 @@ if not CONFIG["JS_STANDALONE"]:
 DEFINES["MOZ_HAS_MOZGLUE"] = True
 
 Library("intlcomponents")
-
-REQUIRES_UNIFIED_BUILD = True

intl/components/src/DateIntervalFormat.h

@@ -4,6 +4,7 @@
 #ifndef intl_components_DateIntervalFormat_h_
 #define intl_components_DateIntervalFormat_h_
 
+#include "mozilla/intl/Calendar.h"
 #include "mozilla/intl/DateTimePart.h"
 #include "mozilla/intl/ICU4CGlue.h"
 #include "mozilla/intl/ICUError.h"