Resolve Meson issues

This commit includes fixes in the repo:

1. Moving experimental filesystem to filesystem
2. Errors that meson identified

Signed-off-by: Ratan Gupta <ratankgupta31@gmail.com>
Change-Id: I93c77c2a434275c4da3ca4549919eaa55b57f481
diff --git a/snmp_util.cpp b/snmp_util.cpp
index 3d5dad9..d0c8133 100644
--- a/snmp_util.cpp
+++ b/snmp_util.cpp
@@ -44,7 +44,7 @@
 
 std::string resolveAddress(const std::string& address)
 {
-    addrinfo hints{0};
+    addrinfo hints{};
     addrinfo* addr = nullptr;
 
     hints.ai_family = AF_UNSPEC;