don't just eat InterruptedException

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@6986 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/scm/SubversionSCM.java

@@ -422,8 +422,8 @@ public class SubversionSCM extends SCM implements Serializable {
                     try {
 						sct.join(); // wait for all data to be piped.
 					} catch (InterruptedException e) {
-					} 
-                    
+                        throw new IOException2("interrupted",e);
+                    }
                 }
                 
                 return externals;