Add valid_sql_name to sanitization

Author: pesse

src/main/java/org/utplsql/api/outputBuffer/OutputBufferProvider.java

@@ -53,7 +53,7 @@ private static boolean hasOutput( Reporter reporter, OracleConnection oraConn )
                 "   begin " +
                 "       execute immediate '" +
                 "       begin " +
-                "           :x := case ' || ? || '() is of (ut_output_reporter_base) when true then 1 else 0 end;" +
+                "           :x := case ' || dbms_assert.valid_sql_name( ? ) || '() is of (ut_output_reporter_base) when true then 1 else 0 end;" +
                 "       end;'" +
                 "       using out l_result;" +
                 "   end;" +
@@ -67,8 +67,6 @@ private static boolean hasOutput( Reporter reporter, OracleConnection oraConn )
 
             stmt.execute();
             int result = stmt.getInt(2);
-
-            System.out.println("Output-check for " + reporterName + ": " + result);
             return result == 1;
         }
     }