IO-135 - change deleteQuietly() to catch Exception rather than Throwable as per Stephen's comment on dev@:

"I think I would prefer catch(Exception) rather than catch(Throwable).Hiding an OutOfMemoryError (and similar) is generally a Bad Idea."

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@609395 13f79535-47bb-0310-9956-ffa450edef68

Author: Niall Pemberton

src/java/org/apache/commons/io/FileUtils.java

@@ -915,12 +915,12 @@ public static boolean deleteQuietly(File file) {
             if (file.isDirectory()) {
                 cleanDirectory(file);
             }
-        } catch (Throwable t) {
+        } catch (Exception e) {
         }
 
         try {
             return file.delete();
-        } catch (Throwable t) {
+        } catch (Exception e) {
             return false;
         }
     }