Resolve Meson issues

This commit includes fixes in the repo:

1. Errors that meson identified
2. Formatting changes

Signed-off-by: Ratan Gupta <ratankgupta31@gmail.com>
Change-Id: I4f57abb2236205fe6fc04292a00a270c816ba965
diff --git a/phosphor-ldap-mapper/main.cpp b/phosphor-ldap-mapper/main.cpp
index 0ccf85c..60109d4 100644
--- a/phosphor-ldap-mapper/main.cpp
+++ b/phosphor-ldap-mapper/main.cpp
@@ -5,7 +5,7 @@
 #include <filesystem>
 #include <string>
 
-int main(int argc, char** argv)
+int main(int /*argc*/, char** /*argv*/)
 {
     auto bus = sdbusplus::bus::new_default();
     sdbusplus::server::manager::manager objManager(