wmlxgettext: always use Unix file paths in .pot files

Fixes #7380.

changelog.md

@@ -35,6 +35,7 @@
  ### Miscellaneous and Bug Fixes
    * wmllint now validates `rank=` values in `[campaign]` (issue #7224)
    * Fixed a crash when checking if abilities are active during game initialisation after loading a saved game. (issues #5643, #7238)
+   * wmlxgettext now outputs Unix-like paths in .pot file comments even on Windows (issue #7380)
 
 ## Version 1.17.11
  ### Campaigns

data/tools/pywmlx/autof.py

@@ -17,6 +17,8 @@ def autoscan(pathdir):
                     value = re.sub(r'^\/', '', value)
                 else:
                     value = re.sub(r'^(?:[A-Za-z]\:)?\\', '', value)
+                    # use Unix path separators even on Windows
+                    value = value.replace("\\", "/")
                 filelist.append(value)
                 # end if m
             # end for name