RDK-41842 : libloader-app do_compile error

Reason for change: Added required changes to make it work with latest version of gcc (11.3) supported in kirkstone.
Test Procedure: Ensure the build error is resolved
Risks: Medium

Signed-off-by: Sushant Daspute <sushant_daspute@comcast.com>
Change-Id: Id6a16aa54929a7c6225d4fa35035fd52f9ae426f