Partially revert previous change.

* This way CDI can still be built with pgcc 11.x.

src/cdi.h

@@ -785,7 +785,7 @@ void    gridDefYbounds(int gridID, const double *ybounds_vec);
 /*      gridInqYbounds: Get the bounds of a Y-axis */
 int     gridInqYbounds(int gridID, double *ybounds_vec);
 
-void    gridDefRowlon(int gridID, int nrowlon, const int rowlon_vec[nrowlon]);
+void    gridDefRowlon(int gridID, int nrowlon, const int rowlon_vec[]);
 void    gridInqRowlon(int gridID, int *rowlon_vec);
 void    gridChangeType(int gridID, int gridtype);
 

src/grid.c

@@ -1266,7 +1266,7 @@ int gridInqNP(int gridID)
 
 @EndFunction
 */
-void gridDefRowlon(int gridID, int nrowlon, const int rowlon[nrowlon])
+void gridDefRowlon(int gridID, int nrowlon, const int rowlon[])
 {
   grid_t *gridptr = ( grid_t *) reshGetVal ( gridID, &gridOps );
 

src/mo_cdi.f90

@@ -2116,7 +2116,7 @@ module mo_cdi
           import :: c_int
           integer(kind=c_int), value :: gridID
           integer(kind=c_int), value :: nrowlon
-          integer(kind=c_int), intent(in),dimension(nrowlon) :: rowlon_vec
+          integer(kind=c_int), intent(in),dimension(*) :: rowlon_vec
         end subroutine gridDefRowlon
       end interface
       interface