correct value @ low memory warning

see: http://forum.yacy-websuche.de/viewtopic.php?f=5&t=3317

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7854 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/Status.java

@@ -143,7 +143,7 @@ public class Status {
                 prop.put("warningDiskSpaceLow_minSpace", minFree);
             }
             if (!sb.observer.getMemoryAvailable()){
-                final String minFree = Formatter.bytesToString(sb.observer.getMinFreeMemory() * 1024L);
+                final String minFree = Formatter.bytesToString(sb.observer.getMinFreeMemory() * 1024L * 1024L);
                 prop.put("warningMemoryLow", "1");
                 prop.put("warningMemoryLow_minSpace", minFree);
             }