Fix invalid character encoding on Windows.

Author: bnbailey-psl

build_scripts/build_helios.py

@@ -657,8 +657,8 @@ def _check_windows_dll_dependencies(self, dll_path: Path) -> Dict[str, bool]:
 
             print(f"DLL dependencies for {dll_path.name}:")
             for dep, found in dependencies.items():
-                status = "✓" if found else "✗"
-                print(f"  {status} {dep}")
+                status = "OK" if found else "MISSING"
+                print(f"  [{status}] {dep}")
 
         except (subprocess.TimeoutExpired, FileNotFoundError, subprocess.CalledProcessError):
             print(f"Could not check DLL dependencies (dumpbin not available)")