Add OGGraphIntersects

Author: jcmosc

Sources/OpenGraphCxx/include/OpenGraph/OGSubgraph.h

@@ -68,6 +68,10 @@ OG_EXPORT
 OG_REFINED_FOR_SWIFT
 void OGSubgraphRemoveChild(OGSubgraphRef parent, OGSubgraphRef child) OG_SWIFT_NAME(OGSubgraphRef.removeChild(self:_:));
 
+OG_EXPORT
+OG_REFINED_FOR_SWIFT
+bool OGSubgraphIntersects(OGSubgraphRef subgraph, OGAttributeFlags flags) OG_SWIFT_NAME(OGSubgraphRef.intersects(self:flags:));
+
 OG_EXPORT
 OG_REFINED_FOR_SWIFT
 void OGSubgraphApply(OGSubgraphRef cf_subgraph,