fix trailing white-space

1 files changed, 6 insertions, 6 deletions

diff --git a/xmake/modules/detect/tools/rustc/has_flags.lua b/xmake/modules/detect/tools/rustc/has_flags.lua
index 8a1965d45..ee8e5d4c4 100644
--- a/xmake/modules/detect/tools/rustc/has_flags.lua
+++ b/xmake/modules/detect/tools/rustc/has_flags.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
@@ -21,7 +21,7 @@
 -- imports
 import("lib.detect.cache")
 
--- try running 
+-- try running
 function _try_running(...)
 
     local argv = {...}
@@ -29,12 +29,12 @@ function _try_running(...)
     return try { function () os.runv(unpack(argv)); return true end, catch { function (errs) errors = (errs or ""):trim() end }}, errors
 end
 
--- attempt to check it from the argument list 
+-- attempt to check it from the argument list
 function _check_from_arglist(flags, opt)
 
     -- only one flag?
     if #flags > 1 then
-        return 
+        return
     end
 
     -- make cache key
@@ -89,14 +89,14 @@ function _check_try_running(flags, opt)
 end
 
 -- has_flags(flags)?
--- 
+--
 -- @param opt   the argument options, e.g. {toolname = "", program = "", programver = "", toolkind = "[cc|cxx|ld|ar|sh|gc|rc|dc|mm|mxx]"}
 --
 -- @return      true or false
 --
 function main(flags, opt)
 
-    -- attempt to check it from the argument list 
+    -- attempt to check it from the argument list
     if _check_from_arglist(flags, opt) then
         return true
     end