Fixed short PHP tag

Author: gidgreen

qa-include/Q2A/Util/Usage.php

@@ -131,7 +131,7 @@ public function output()
 					?></textarea>
 				</td>
 				<td class="debug-cell-queries">
-					<textarea class="debug-output" cols="40" rows="20"><?=qa_html($this->databaseQueryLog)?></textarea>
+					<textarea class="debug-output" cols="40" rows="20"><?php echo qa_html($this->databaseQueryLog)?></textarea>
 				</td>
 			</tr>
 		</tbody>