[8445] Fixed redundant calculation of v and s on every login

The SRP-6 specifications clearly say, that v and s are only to be
calculated on registering a user and changing his password; calculating
them on every login is plain waste.

src/realmd/Main.cpp

@@ -145,6 +145,7 @@ extern int main(int argc, char **argv)
         sLog.outError("Could not find configuration file %s.", cfg_file);
         return 1;
     }
+    sLog.Initialize();
 
     sLog.outString( "%s [realm-daemon]", _FULLVERSION(REVISION_DATE,REVISION_TIME,REVISION_NR,REVISION_ID) );
     sLog.outString( "<Ctrl-C> to stop.\n" );