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

coreutils/id.c

@@ -23,8 +23,6 @@
 #include "busybox.h"
 #include <stdio.h>
 #include <unistd.h>
-#include <pwd.h>
-#include <grp.h>
 #include <getopt.h>
 #include <sys/types.h>
 

coreutils/uudecode.c

@@ -27,7 +27,6 @@
 #include <stdio.h>
 #include <errno.h>
 #include <getopt.h>
-#include <pwd.h>
 
 /*struct passwd *getpwnam();*/
 

coreutils/uuencode.c

@@ -27,7 +27,6 @@
 #include <stdio.h>
 #include <errno.h>
 #include <getopt.h>
-#include <pwd.h>
 
 #define	RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
 

coreutils/whoami.c

@@ -22,7 +22,6 @@
 
 #include "busybox.h"
 #include <stdio.h>
-#include <pwd.h>
 
 extern int whoami_main(int argc, char **argv)
 {