libc: core: initialise errno to SUCCESS

lib/libc/core/errno/errno.c

@@ -1,7 +1,7 @@
 #include <errno.h>
 #include <mango/status.h>
 
-static int __errno = 32;
+static int __errno = SUCCESS;
 
 int __attribute__((weak)) * __errno_location(void)
 {

lib/libc/core/sys/x86_64/init.c

@@ -1,6 +1,7 @@
 #include <mango/log.h>
 #include <rosetta/bootstrap.h>
 #include <stdio.h>
+#include <errno.h>
 
 extern int main(int, const char **, const char **);
 
@@ -13,5 +14,6 @@ void *__attribute__((weak)) pthread_self(void)
 int __libc_init(const struct rosetta_bootstrap *bsinfo)
 {
 	(volatile void)pthread_self();
+	__set_errno(SUCCESS);
 	return 0;
 }