Refactor symlink usage to support Windows

src/ocrmypdf/_validation.py

@@ -42,7 +42,7 @@ from .exec import (
     tesseract,
     unpaper,
 )
-from .helpers import is_file_writable, is_iterable_notstr, monotonic, re_symlink
+from .helpers import is_file_writable, is_iterable_notstr, monotonic, safe_symlink
 
 # -------------
 # External dependencies
@@ -374,7 +374,7 @@ def create_input_file(options, work_folder):
     else:
         try:
             target = os.path.join(work_folder, 'origin')
-            re_symlink(options.input_file, target)
+            safe_symlink(options.input_file, target)
             return target
         except FileNotFoundError:
             raise InputFileError(f"File not found - {options.input_file}")