updated group.control_points structure with z1 & z2 for i.ortho.transform adaptation

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@70990 15284696-431f-4ddb-bdfa-cd5b030d7da7

include/imagery.h

@@ -42,8 +42,10 @@ struct Control_Points
     int count;
     double *e1;
     double *n1;
+    double *z1;
     double *e2;
     double *n2;
+    double *z2;
     int *status;
 };