fix typo in error message breaking newline escape
Broken in commit
@@ -118,7 +118,7 @@ def guess_win_linker(env: 'Environment', compiler: T.List[str], comp_class: T.Ty
import shutil
fullpath = shutil.which(compiler[0])
raise EnvironmentException(
- f"Found GNU link.exe instead of MSVC link.exe in {fullpath}\.n"
+ f"Found GNU link.exe instead of MSVC link.exe in {fullpath}.\n"
"This link.exe is not a linker.\n"
"You may need to reorder entries to your %PATH% variable to resolve this.")
__failed_to_detect_linker(compiler, check_args, o, e)
