bpftool, musl compat: Replace sys/fcntl.h by fcntl.h

musl does not like including sys/fcntl.h directly:

[...]
1 | #warning redirecting incorrect #include <sys/fcntl.h> to <fcntl.h>
[...]

Signed-off-by: Dominique Martinet <[e-mail]>
Signed-off-by: Daniel Borkmann <[e-mail]>
Acked-by: Quentin Monnet <[e-mail]>
Link: https://lore.kernel.org/bpf/[e-mail]

tools/bpf/bpftool/tracelog.c

···
 #include <string.h>
 #include <unistd.h>
 #include <linux/magic.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
 #include <sys/vfs.h>
 
 #include "main.h"