Include missing include of <functional>

ceholden · ceholden · commit 182dcd7a7f31 · 2019-04-01T12:08:07.000-04:00
Caught trying to build with GCC7 and MSVC
diff --git a/src/providers/arcgisrest/qgsarcgisrestutils.h b/src/providers/arcgisrest/qgsarcgisrestutils.h
@@ -33,6 +33,8 @@
 #include <QStringList>
 #include <QVariant>
 
+#include <functional>
+
 class QNetworkReply;
 class QgsNetworkAccessManager;
 class QgsFields;
