Fix the error spotted by meson

- This commit would fix the error that are spotted by meson
  when werror=true is enforced.

Tested By:

- Compiled in all the sdks, and unit tests are passed.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: Ie4c2f26af2b62b019e908cceea18cf22cf2e4607
diff --git a/network_manager_main.cpp b/network_manager_main.cpp
index eaa970a..734a48a 100644
--- a/network_manager_main.cpp
+++ b/network_manager_main.cpp
@@ -275,7 +275,7 @@
     smartSock.set(fd);
 }
 
-int main(int argc, char* argv[])
+int main(int /*argc*/, char** /*argv*/)
 {
     phosphor::network::initializeTimers();