Add bin/true and bin/false implementations

- Added assembly implementations for `true` and `false` commands.
- Updated Kbuild files to include new binaries.
- Removed unused libraries and headers.
- Cleaned up makefile and unused code.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libc/unistd/posix_close.c b/lib/libc/unistd/posix_close.c
index fe44a7b9..78ec692e 100644
--- a/lib/libc/unistd/posix_close.c
+++ b/lib/libc/unistd/posix_close.c
@@ -1,7 +1,7 @@
 #include <libc.h>
 #include <syscall.h>
 
-int posix_close(int fildes, int unused flag)
+int posix_close(int fildes, int __unused flag)
 {
 	return syscall(close, fildes);
 }