Cosmetics: correct indentation and fix documentation

git-svn-id: svn+ssh://svn.pointclouds.org/pcl/trunk@3257 a9d63959-f2ad-4865-b262-bf0e56cfafb6

registration/CMakeLists.txt

@@ -32,13 +32,13 @@ if(build)
         include/pcl/${SUBSYS_NAME}/transformation_estimation_lm.h
         include/pcl/${SUBSYS_NAME}/transformation_estimation_point_to_plane.h
         include/pcl/${SUBSYS_NAME}/transformation_estimation_point_to_plane_lls.h
-				include/pcl/${SUBSYS_NAME}/gicp.h
-				include/pcl/${SUBSYS_NAME}/bfgs.h
+        include/pcl/${SUBSYS_NAME}/gicp.h
+        include/pcl/${SUBSYS_NAME}/bfgs.h
         include/pcl/${SUBSYS_NAME}/warp_point_rigid.h
         include/pcl/${SUBSYS_NAME}/warp_point_rigid_6d.h
         include/pcl/${SUBSYS_NAME}/warp_point_rigid_3d.h
         include/pcl/${SUBSYS_NAME}/distances.h
-				include/pcl/${SUBSYS_NAME}/exceptions.h
+        include/pcl/${SUBSYS_NAME}/exceptions.h
         )
 
     set(impl_incs 
@@ -60,7 +60,7 @@ if(build)
         include/pcl/${SUBSYS_NAME}/impl/transformation_estimation_svd.hpp
         include/pcl/${SUBSYS_NAME}/impl/transformation_estimation_lm.hpp
         include/pcl/${SUBSYS_NAME}/impl/transformation_estimation_point_to_plane_lls.hpp
-				include/pcl/${SUBSYS_NAME}/impl/gicp.hpp
+        include/pcl/${SUBSYS_NAME}/impl/gicp.hpp
         )
 
     set(srcs

registration/include/pcl/registration/exceptions.h

@@ -54,6 +54,7 @@ namespace pcl
 
  /** \class NotEnoughPointsException
     * \brief An exception that is thrown when the number of correspondants is not equal
+    * to the minimum required
     */
   class PCL_EXPORTS NotEnoughPointsException : public PCLException
   {

registration/include/pcl/registration/impl/gicp.hpp

@@ -89,9 +89,9 @@ pcl::GeneralizedIterativeClosestPoint<PointSource, PointTarget>::computeCovarian
       
       cov(2,0) += pt.z*pt.x;
       cov(2,1) += pt.z*pt.y;
-      cov(2,2) += pt.z*pt.z;	  
+      cov(2,2) += pt.z*pt.z;    
     }
-	
+  
     mean/= (double)k_correspondences_;
     // Get the actual covariance
     for(int k = 0; k < 3; k++)