Fixing minor typo involving a binary operation instead of a check.

src/main/java/com/gmail/nossr50/datatypes/PlayerProfile.java

@@ -298,7 +298,7 @@ public class PlayerProfile {
 
     public void save(boolean override) {
         Long timestamp = System.currentTimeMillis();
-        if(timestamp < (lastSave + ((long) Config.getInstance().getSaveInterval() * 60000)) & !override)
+        if(timestamp < (lastSave + ((long) Config.getInstance().getSaveInterval() * 60000)) && !override)
             return;
 
         // if we are using mysql save to database