Fix not showing mysql/php errors

app/src/main/java/info/nerull7/mysqlbrowser/db/AsyncDatabaseConnector.java

@@ -126,13 +126,13 @@ public class AsyncDatabaseConnector {
                 if(data == null) {
                     listenerData = false;
                     errorMsg = error;
-                }
+                } else if( data.compareTo("OK") == 0){
-                else if(booleanReturnListener!=null)
+                    listenerData = true;
-                    listenerData = (data.compareTo("OK")==0);
+                } else {
-                else {
                     errorMsg = data;
                     listenerData = false;
                 }
+
                 booleanReturnListener.onBooleanReturn(listenerData);
             }
         });