[BugFix][API-704][WIFI]fix lynq_get)interface_ip

Change-Id: I72801c92a719ef8a81a130e9cd3b82d15b57aa81
diff --git a/lib/liblynq-wifi6/libwifi6.c b/lib/liblynq-wifi6/libwifi6.c
index 128a913..cabc0a2 100755
--- a/lib/liblynq-wifi6/libwifi6.c
+++ b/lib/liblynq-wifi6/libwifi6.c
@@ -2404,6 +2404,7 @@
             }
         }
     }
+    freeifaddrs(ifaddr_header);
     return -1;
 }