remove stray spaces

xml/cl.xml

@@ -260,7 +260,7 @@ server's OpenCL/api-docs repository.
         <type category="define">typedef <type>cl_uint</type>          <name>cl_device_avc_me_version</name>;</type>
         <type category="define">typedef <type>cl_int</type>           <name>cl_command_execution_status</name>;</type>
         <type category="define">typedef <type>cl_int</type>           <name>cl_error_code</name>;</type>
-        
+
             <comment>Structure types</comment>
         <type category="struct" name="cl_dx9_surface_info_khr">
             <member><type>IDirect3DSurface9</type>*  <name>resource</name></member>