Add in a patch to make busybox use the normal pwd.h and grp.h

functions.  Add in simple implementations of these functions,
which can, optionally, be used instead of the system versions.
 -Erik

include/pwd.h

@@ -0,0 +1,51 @@
+#ifndef	__BB_PWD_H
+#define	__BB_PWD_H
+
+#if defined USE_SYSTEM_PWD_GRP
+#include <pwd.h>
+#else
+
+#define bb_setpwent setpwent
+#define bb_endpwent endpwent
+#define bb_getpwent getpwent
+#define bb_putpwent putpwent
+#define bb_getpw getpw
+#define bb_fgetpwent fgetpwent
+#define bb_getpwuid getpwuid
+#define bb_getpwnam getpwnam
+#define __bb_getpwent __bb_getpwent
+
+
+#include <sys/types.h>
+#include <features.h>
+#include <stdio.h>
+
+/* The passwd structure.  */
+struct passwd
+{
+  char *pw_name;		/* Username.  */
+  char *pw_passwd;		/* Password.  */
+  uid_t pw_uid;			/* User ID.  */
+  gid_t pw_gid;			/* Group ID.  */
+  char *pw_gecos;		/* Real name.  */
+  char *pw_dir;			/* Home directory.  */
+  char *pw_shell;		/* Shell program.  */
+};
+
+extern void bb_setpwent __P ((void));
+extern void bb_endpwent __P ((void));
+extern struct passwd * bb_getpwent __P ((void));
+
+extern int bb_putpwent __P ((__const struct passwd * __p, FILE * __f));
+extern int bb_getpw __P ((uid_t uid, char *buf));
+
+extern struct passwd * bb_fgetpwent __P ((FILE * file));
+
+extern struct passwd * bb_getpwuid __P ((__const uid_t));
+extern struct passwd * bb_getpwnam __P ((__const char *));
+
+extern struct passwd * __bb_getpwent __P ((__const int passwd_fd));
+
+#endif /* USE_SYSTEM_PWD_GRP */
+#endif /* __BB_PWD_H  */
+