removed two warnings and reverted one change

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7340 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/net/yacy/kelondro/order/Base64Order.java

@@ -92,10 +92,10 @@ public class Base64Order extends AbstractOrder<byte[]> implements ByteOrder, Com
         return new HandleSet(keylength, this, space);
     }
     
-    public static byte[] zero(final int length) {
+    public static byte[] zero(int length) {
         final byte[] z = new byte[length];
-        for (byte b : z) {
+        while (length > 0) {
-            b = (byte) alpha_standard[0];
+            length--; z[length] = (byte) alpha_standard[0];
         }
         return z;
     }

source/net/yacy/repository/Blacklist.java

@@ -504,7 +504,7 @@ public class Blacklist {
             return BlacklistError.PATH_REGEX;
         }
 
-        return BlacklistError.DOUBLE_OCCURANCE.NO_ERROR;
+        return BlacklistError.NO_ERROR;
     }
 
     /**

source/net/yacy/repository/FilterEngine.java

@@ -45,7 +45,6 @@ public class FilterEngine {
 			this.types = types;
 		}
 
-		@Override
 		public int compareTo(FilterEntry fe) {
 			return this.path.compareToIgnoreCase(fe.path);
 		}