Fix typos.

(cherry picked from commit f4e292e5ee)

digikam/libs/greycstoration/CImg.h

@@ -10820,7 +10820,7 @@ namespace cimg_library {
       return (is_sameYZ(dy,dz) && is_sameV(dv));
     }
 
-    //! Return \c true if images have same heigth, same depth and same number of channels.
+    //! Return \c true if images have same height, same depth and same number of channels.
     template<typename t>
     bool is_sameYZV(const CImg<t>& img) const {
       return (is_sameYZ(img) && is_sameV(img));