Enable SSL by default in znc --makeconf when connecting to servers (#2022)

* Enable SSL by default in ZNC configuration when connecting to servers

* Change default port from 6667 to 6697 in znctest

* Update SSL variable initialization with preprocessor checks

Refactor SSL configuration to use preprocessor directives.

* Fix comment formatting in znc.cpp

Fix extraneous double tab that slipped into the commit

src/znc.cpp

@@ -791,14 +791,15 @@ bool CZNC::WriteNewConfig(const CString& sConfigFile) {
         }
 
         CString sHost, sPass, sHint;
-        bool bSSL = false;
+        #ifdef HAVE_LIBSSL
+            bool bSSL = true;
+        #else
+            bool bSSL = false;
+        #endif
         unsigned int uServerPort = 0;
 
         if (sNetwork.Equals("libera")) {
             sHost = "irc.libera.chat";
-#ifdef HAVE_LIBSSL
-            bSSL = true;
-#endif
         } else {
             sHint = "host only";
         }