fixed a bug where a long file name fails to copy.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3058 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/FilePath.java

@@ -698,7 +698,7 @@ public final class FilePath implements Serializable {
                     StringWriter sw = new StringWriter();
                     e.printStackTrace(new PrintWriter(sw));
                     throw new IOException2(sw.toString(),x);
-                } catch (TimeoutException x) {
+                } catch (TimeoutException _) {
                     // remote is hanging
                     throw e;
                 }