added missing "extern C" to csp_if_zmqhub.h
#include <csp/csp.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+
extern csp_iface_t csp_if_zmqhub;
/**
@@ -23,4 +27,8 @@ int csp_zmqhub_init(char addr, char * host);
int csp_zmqhub_init_w_endpoints(char _addr, char * publisher_url,
char * subscriber_url);
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
#endif /* CSP_IF_ZMQHUB_H_ */
