fix: ensure dosdevices subdir exists in prefix

Author: R1kaB3rN

proton

@@ -967,11 +967,11 @@ class CompatData:
             self.migrate_user_paths()
 
             if not file_exists(self.prefix_dir + "/dosdevices/c:", follow_symlinks=False):
-                os.makedirs(f"../drive_c/{self.prefix_dir}/dosdevices", exist_ok=True)
+                os.makedirs(f"{self.prefix_dir}/dosdevices", exist_ok=True)
                 os.symlink("../drive_c", self.prefix_dir + "/dosdevices/c:")
 
             if not file_exists(self.prefix_dir + "/dosdevices/z:", follow_symlinks=False):
-                os.makedirs(f"../drive_c/{self.prefix_dir}/dosdevices", exist_ok=True)
+                os.makedirs(f"{self.prefix_dir}/dosdevices", exist_ok=True)
                 os.symlink("/", self.prefix_dir + "/dosdevices/z:")
 
             # collect configuration info