Removed - as negative prefix.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3591 b35dd754-fafc-0310-a699-88a17e54d16e

src/web/system-cache.jsp

@@ -108,6 +108,7 @@
     // decimal formatter for cache values
     DecimalFormat mbFormat = new DecimalFormat("#0.00");
     DecimalFormat percentFormat = new DecimalFormat("#0.0");
+    percentFormat.setNegativePrefix("");
 %>
 
 <%  if (doClearCache) { %>