$OpenBSD: patch-calendar_moz_build,v 1.1 2017/11/14 20:46:57 landry Exp $

Index: calendar/moz.build
--- calendar/moz.build.orig
+++ calendar/moz.build
@@ -8,6 +8,7 @@ CONFIGURE_SUBST_FILES += ['installer/Makefile']
 if CONFIG['MOZ_CALENDAR']:
     DIRS += [
         'lightning',
+        'providers',
         'timezones'
     ]
 
