table_coladd -   add a column to the table. 
 SYNOPSYS 
#include "table.h"
 int  table_coladd(table, name)
 PARAMETERS 
-   TableHead  table 
-   table to add the column to.
-   char *name 
-   name for the new column.
 DESCRIPTION 
Add name column to the table.
Returns the column number of the new column.