r3.gradient: switch order of 'author' and 'see also' sections

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@61659 15284696-431f-4ddb-bdfa-cd5b030d7da7

raster3d/r3.gradient/r3.gradient.html

@@ -12,12 +12,14 @@ r3.mapcalc "test_gradient = sqrt(row()*row() +col()*col()+ depth()*depth())"
 r3.gradient input=test_gradient output=grad_x,grad_y,grad_z
 </pre></div>
 
-<h2>AUTHORS</h2>
-Anna Petrasova,  <a href="http://geospatial.ncsu.edu/osgeorel/">NCSU OSGeoREL</a>, developed during GSoC 2014.
-
 <h2>SEE ALSO</h2>
 <em>
-<a href="http://grass.osgeo.org/grass71/manuals/r.slope.aspect.html">r.flow</a>
+<a href="r3.flow.html">r3.flow</a>,
+<a href="r.flow.html">r.flow</a>
 </em>
 
-<p><i>Last changed: $Date$</i>
+<h2>AUTHORS</h2>
+Anna Petrasova, <a href="http://geospatial.ncsu.edu/osgeorel/">NCSU OSGeoREL</a>, developed during GSoC 2014.
+
+<p>
+<i>Last changed: $Date$</i>