PROBLEM: (93099) (PATCH ID: OSF520-540)
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  When the curses.h and esnmp.h header files are included together with
  curses.h ahead of esnmp.h, the following compilation errors may appear:
  cc: Error: /usr/include/esnmp.h, line 431: Error parsing parameter list. 
  Found "register" when expecting one of: ",", ")". (notexpecting)
  int     esnmp_register2 __((ESNMP_REG *reg));
  ------------------------^

  This patch fixes this interoperability problem.