src: Minor corrections and improvements

Change-Id: If1041d13b7c469e64e3523297438067baf96b1d6
diff --git a/src/security/sec-public-info-memory.hpp b/src/security/sec-public-info-memory.hpp
index 1cf2488..faf9c4c 100644
--- a/src/security/sec-public-info-memory.hpp
+++ b/src/security/sec-public-info-memory.hpp
@@ -131,7 +131,7 @@
     {
     }
 
-    const KeyType
+    KeyType
     getKeyType() const
     {
       return m_keyType;