Always log chosen security type

It's often useful to see if encryption was used, and how the user
authenticated (if at all).
diff --git a/common/rfb/CSecurityVeNCrypt.cxx b/common/rfb/CSecurityVeNCrypt.cxx
index 77eeef9..a15da4a 100644
--- a/common/rfb/CSecurityVeNCrypt.cxx
+++ b/common/rfb/CSecurityVeNCrypt.cxx
@@ -164,7 +164,7 @@
 	  break;
       }
 
-      vlog.debug("Choosing security type %s (%d)", secTypeName(chosenType),
+      vlog.info("Choosing security type %s (%d)", secTypeName(chosenType),
 		 chosenType);
 
       /* Set up the stack according to the chosen type: */