fix trailing white-space

1 files changed, 2 insertions, 2 deletions

diff --git a/xmake/plugins/doxygen/xmake.lua b/xmake/plugins/doxygen/xmake.lua
index b2b3ff5be..32a98902b 100644
--- a/xmake/plugins/doxygen/xmake.lua
+++ b/xmake/plugins/doxygen/xmake.lua
@@ -11,7 +11,7 @@
 -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 -- See the License for the specific language governing permissions and
 -- limitations under the License.
--- 
+--
 -- Copyright (C) 2015-2020, TBOOX Open Source Group.
 --
 -- @author      ruki
@@ -36,7 +36,7 @@ task("doxygen")
             ,   description = "Generate the doxygen document."
 
                 -- options
-            ,   options = 
+            ,   options =
                 {
                     {'o', "outputdir",  "kv", nil,      "Set the output directory."         }
                 ,   {}