Remove trailing whitespace

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@303672 91177308-0d34-0410-b5e6-96231b3b80d8

utils/bash-autocomplete.sh

@@ -10,5 +10,5 @@ _clang()
   else
     COMPREPLY=( $( compgen -W "$flags" -- "$cur" ) )
   fi
-} 
+}
 complete -F _clang clang