mdns: Updated mDNS to explicitely use esp-eth dependency if needed

* Original commit: espressif/esp-idf@5e19b9c951

components/mdns/CMakeLists.txt

@@ -20,3 +20,7 @@ idf_component_register(
         PRIV_INCLUDE_DIRS "private_include"
         REQUIRES ${dependencies}
         PRIV_REQUIRES ${private_dependencies})
+
+if(CONFIG_ETH_ENABLED)
+    idf_component_optional_requires(PRIVATE esp_eth)
+endif()

components/mdns/idf_component.yml

@@ -1,4 +1,4 @@
-version: "1.0.2"
+version: "1.0.3"
 description: mDNS
 dependencies:
   idf:

components/mdns/mdns.c

@@ -17,6 +17,9 @@
 #include "mdns_networking.h"
 #include "esp_log.h"
 #include "esp_random.h"
+#if CONFIG_ETH_ENABLED
+#include "esp_eth.h"
+#endif
 
 #ifdef MDNS_ENABLE_DEBUG
 void mdns_debug_packet(const uint8_t * data, size_t len);