fix trailing space

Author: kuloPo

modules/ximgproc/include/opencv2/ximgproc/radon_transform.hpp

@@ -26,7 +26,7 @@ namespace cv { namespace ximgproc {
 * The output size will be num_of_integral x src_diagonal_length.
 * If crop is selected, the input image will be crop into square then circle,
 * and output size will be num_of_integral x min_edge.
-* 
+*
 */
 CV_EXPORTS_W void RadonTransform(InputArray src,
                                       OutputArray dst,

modules/ximgproc/src/radon_transform.cpp

@@ -62,7 +62,7 @@ namespace cv {namespace ximgproc {
         Mat _radon(_row_num, _col_num, _out_mat_type);
 
         for (int _col = 0; _col < _col_num; _col++) {
-            // rotate the source by _t 
+            // rotate the source by _t
             _t = (start_angle + _col * theta);
             cv::Mat _r_matrix = cv::getRotationMatrix2D(_center, _t, 1);
             cv::warpAffine(_masked_src, _rotated_src, _r_matrix, _masked_src.size());