Source: fix some -Wunused-macros warnings

- deleted one unused define
- moved define into #if block where it is used

Source/CTest/cmCTestScriptHandler.cxx

@@ -48,8 +48,6 @@
 #  include <unistd.h>
 #endif
 
-#define CTEST_INITIAL_CMAKE_OUTPUT_FILE_NAME "CTestInitialCMakeOutput.log"
-
 cmCTestScriptHandler::cmCTestScriptHandler() = default;
 
 void cmCTestScriptHandler::Initialize()

Source/cmFileLockResult.cxx

@@ -5,7 +5,6 @@
 #include <cerrno>
 #include <cstring>
 
-#define WINMSG_BUF_LEN (1024)
 cmFileLockResult cmFileLockResult::MakeOk()
 {
   return { OK, 0 };
@@ -54,6 +53,7 @@ std::string cmFileLockResult::GetOutputMessage() const
     case SYSTEM:
 #if defined(_WIN32)
     {
+#  define WINMSG_BUF_LEN (1024)
       char winmsg[WINMSG_BUF_LEN];
       DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS;
       if (FormatMessageA(flags, NULL, this->ErrorValue,