Update toolchain/mfc/build.py

Co-authored-by: Copilot <[email protected]>

Author: sbryngelson

toolchain/mfc/build.py

@@ -51,8 +51,7 @@ def get_compiler_info(self) -> str:
 
             cache = pathlib.Path(build_dir) / "CMakeCache.txt"
             if not cache.exists():
-                compiler = "unknown"
-                return compiler
+                return "unknown"
 
             pat = re.compile(r"CMAKE_.*_COMPILER:FILEPATH=(.+)", re.IGNORECASE)
             compiler_name = ""