win32.c: suffix should be alnum

* win32/win32.c (fileattr_to_unixmode): built-in executable
  suffixes are alpha-numeric only, no needs to scan whole path,
  especially path separators.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/win32/win32.c b/win32/win32.c
index a4706f4ac8..34ad5fedb1 100644
--- a/win32/win32.c
+++ b/win32/win32.c
@@ -5337,6 +5337,7 @@ fileattr_to_unixmode(DWORD attr, const WCHAR *path)
 		}
 		break;
 	    }
+	    if (!iswalnum(*end)) break;
 	}
     }