[Base] fix a -Wunused CI compiler warning

src/Base/ConsoleObserver.cpp

@@ -25,7 +25,7 @@
 
 #ifndef _PreComp_
 # ifdef FC_OS_WIN32
-#   include <windows.h>
+#  include <windows.h>
 # endif
 # include <cstring>
 # include <Python.h>

src/Base/ConsoleObserver.h

@@ -21,15 +21,13 @@
  *                                                                         *
  ***************************************************************************/
 
-
-
-
 #ifndef BASE_CONSOLEOBSERVER_H
 #define BASE_CONSOLEOBSERVER_H
 
 #include <Base/Console.h>
 #include <Base/Stream.h>
 
+
 namespace Base {
 
 //=========================================================================
@@ -101,8 +99,8 @@ conObs(co)
 
 ILoggerBlocker::~ILoggerBlocker()
 {
-    auto debug = Console().SetEnabledMsgType(conObs, msgTypesBlocked, true);
 #ifdef FC_DEBUG
+    auto debug = Console().SetEnabledMsgType(conObs, msgTypesBlocked, true);
     if (debug != msgTypesBlocked)
         Console().Warning("Enabled message types have been changed while ILoggerBlocker was set\n");
 #endif