style(site/index.html): remove trailing spaces.

Should be in 9778afa commit.

[skip ci]

Author: php-coder

src/main/webapp/WEB-INF/views/site/index.html

@@ -186,7 +186,7 @@ <h4 class="panel-title" th:text="#{t_search_by_catalog}">Search by catalog</h4>
 								<div class="form-group" sec:authorize="isAuthenticated()" togglz:active="SEARCH_IN_COLLECTION">
 									<input id="in-collection" name="inCollection" type="checkbox" />
 									<label for="in-collection" th:text="#{t_in_my_collection}">In my collection</label>
-								</div>								
+								</div>
 								<div class="form-group">
 									<input type="submit" value="Search" th:value="#{t_search}" class="btn btn-primary" />
 								</div>