Add newline to end of header

src/core/lib/security/security_connector/load_system_roots.h

@@ -26,4 +26,5 @@ grpc_slice LoadSystemRootCerts();
 
 }  // namespace grpc_core
 
-#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_LOAD_SYSTEM_ROOTS_H */
+#endif /* GRPC_CORE_LIB_SECURITY_SECURITY_CONNECTOR_LOAD_SYSTEM_ROOTS_H */
+