src: Correcting coding style of security related code.

Change-Id: Iff09b16d8a86462aff0abbd202b82cebb74bc365
diff --git a/src/security/identity-certificate.cpp b/src/security/identity-certificate.cpp
index 75693b0..5cb570a 100644
--- a/src/security/identity-certificate.cpp
+++ b/src/security/identity-certificate.cpp
@@ -46,7 +46,7 @@
   if (!isCorrectName(getName()))
     throw Error("Wrong Identity Certificate Name!");
 
-  publicKeyName_ = certificateNameToPublicKeyName(getName());
+  m_publicKeyName = certificateNameToPublicKeyName(getName());
 }
 
 bool