[opencl] Fix doxy comment

python/analysis/auto_generated/raster/qgsninecellfilter.sip.in

@@ -61,16 +61,17 @@ Must be implemented by subclasses.
 
 First index of the input cell is the row, second index is the column
 
-@param x11 surrounding cell top left
-@param x21 surrounding cell central left
-@param x31 surrounding cell bottom left
-@param x12 surrounding cell top central
-@param x22 the central cell for which the value will be calculated
-@param x32 surrounding cell bottom central
-@param x13 surrounding cell top right
-@param x23 surrounding cell central right
-@param x33 surrounding cell bottom right
-@return the calculated cell value for the central cell x22
+:param x11: surrounding cell top left
+:param x21: surrounding cell central left
+:param x31: surrounding cell bottom left
+:param x12: surrounding cell top central
+:param x22: the central cell for which the value will be calculated
+:param x32: surrounding cell bottom central
+:param x13: surrounding cell top right
+:param x23: surrounding cell central right
+:param x33: surrounding cell bottom right
+
+:return: the calculated cell value for the central cell x22
 %End
 
   protected:

src/analysis/raster/qgsninecellfilter.h

@@ -65,16 +65,16 @@ class ANALYSIS_EXPORT QgsNineCellFilter
      *
      * First index of the input cell is the row, second index is the column
      *
-     * @param x11 surrounding cell top left
-     * @param x21 surrounding cell central left
-     * @param x31 surrounding cell bottom left
-     * @param x12 surrounding cell top central
-     * @param x22 the central cell for which the value will be calculated
-     * @param x32 surrounding cell bottom central
-     * @param x13 surrounding cell top right
-     * @param x23 surrounding cell central right
-     * @param x33 surrounding cell bottom right
-     * @return the calculated cell value for the central cell x22
+     * \param x11 surrounding cell top left
+     * \param x21 surrounding cell central left
+     * \param x31 surrounding cell bottom left
+     * \param x12 surrounding cell top central
+     * \param x22 the central cell for which the value will be calculated
+     * \param x32 surrounding cell bottom central
+     * \param x13 surrounding cell top right
+     * \param x23 surrounding cell central right
+     * \param x33 surrounding cell bottom right
+     * \return the calculated cell value for the central cell x22
      */
     virtual float processNineCellWindow( float *x11, float *x21, float *x31,
                                          float *x12, float *x22, float *x32,