Fix openssl not being linked to dynamic security plugin.

Closes #2277. Thanks to LeSuisse.

ChangeLog.txt

@@ -54,6 +54,7 @@ Broker:
   reconnecting. Closes #2173.
 - Fix QoS 0 messages not being queued when `queue_qos0_messages` was enabled.
   Closes #2224.
+- Fix openssl not being linked to dynamic security plugin. Closes #2277.
 
 Clients:
 - If sending mosquitto_sub output to a pipe, mosquitto_sub will now detect

plugins/dynamic-security/CMakeLists.txt

@@ -32,7 +32,7 @@ if (CJSON_FOUND AND WITH_TLS)
 	)
 	set_target_properties(mosquitto_dynamic_security PROPERTIES PREFIX "")
 
-	target_link_libraries(mosquitto_dynamic_security ${CJSON_LIBRARIES})
+	target_link_libraries(mosquitto_dynamic_security ${CJSON_LIBRARIES} ${OPENSSL_LIBRARIES})
 	if(WIN32)
 		target_link_libraries(mosquitto_dynamic_security mosquitto)
 	endif(WIN32)