Catch more than IOExceptions in stream pumper to take care of strange

close conditions where another thread can close the stream after the
ensureOpen check has been done.

PR:	13372


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274091 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/StreamPumper.java

@@ -122,7 +122,7 @@ public class StreamPumper implements Runnable {
             if (closeWhenExhausted) {
                 os.close();
             }
-        } catch (IOException e) {
+        } catch (Exception e) {
             // ignore errors
         } finally {
             synchronized (this) {