Address SonarLint findings in FileOutputStream class

include/ls-std/io/FileOutputStream.hpp

@@ -3,7 +3,7 @@
  * Company:         Lynar Studios
  * E-Mail:          webmaster@lynarstudios.com
  * Created:         2020-08-20
- * Changed:         2023-02-22
+ * Changed:         2023-05-16
  *
  * */
 
@@ -22,8 +22,8 @@ namespace ls::std::io
   {
     public:
 
-      explicit FileOutputStream(ls::std::io::File &_file);
-      explicit FileOutputStream(ls::std::io::File &_file, bool _append);
+      explicit FileOutputStream(const ls::std::io::File &_file);
+      explicit FileOutputStream(const ls::std::io::File &_file, bool _append);
       ~FileOutputStream() noexcept override;
 
       void close();

source/ls-std/io/FileOutputStream.cpp

@@ -3,7 +3,7 @@
  * Company:         Lynar Studios
  * E-Mail:          webmaster@lynarstudios.com
  * Created:         2020-08-20
- * Changed:         2023-02-23
+ * Changed:         2023-05-16
  *
  * */
 
@@ -19,12 +19,12 @@ using ls::std::io::FileExistenceEvaluator;
 using ls::std::io::FileOutputStream;
 using std::ios;
 
-FileOutputStream::FileOutputStream(File &_file) : Class("FileOutputStream"), file(_file)
+FileOutputStream::FileOutputStream(const File &_file) : Class("FileOutputStream"), file(_file)
 {
   this->_init();
 }
 
-FileOutputStream::FileOutputStream(File &_file, bool _append) : Class("FileOutputStream"), append(_append), file(_file)
+FileOutputStream::FileOutputStream(const File &_file, bool _append) : Class("FileOutputStream"), append(_append), file(_file)
 {
   this->_init();
 }