A number of cleanups. Now compiles with libc5, glibc, and uClibc. Fix a few

shadowed variables.  Move (almost) all syscalls to libbb/syscalls.c, so I can
handle them sanely and all at once.
 -Erik

modutils/rmmod.c

@@ -26,16 +26,11 @@
 #include <unistd.h>
 #include <stdlib.h>
 #include <getopt.h>
-#include <sys/syscall.h>
-#include <linux/unistd.h>
 #include "busybox.h"
-#define __LIBRARY__
 
+extern int delete_module(const char * name);
 
 
-/* And the system call of the day is...  */
-_syscall1(int, delete_module, const char *, name)
-
 extern int rmmod_main(int argc, char **argv)
 {
 	int n, ret = EXIT_SUCCESS;