3243 Add shadow support to getent(1)

@@ -40,10 +40,11 @@
 #define EXC_SYNTAX              1
 #define EXC_NAME_NOT_FOUND      2
 #define EXC_ENUM_NOT_SUPPORTED  3
 
 extern int dogetpw(const char **);
+extern int dogetsp(const char **);
 extern int dogetgr(const char **);
 extern int dogethost(const char **);
 extern int dogetipnodes(const char **);
 extern int dogetserv(const char **);
 extern int dogetnet(const char **);