fix(build): Include poll.h instead of sys/poll.h

- Include <poll.h> to get rid of musl warnings

include/utils/inotify.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <sys/inotify.h>
-#include <sys/poll.h>
+#include <poll.h>
 #include <cstdio>
 
 #include "common.hpp"

include/utils/socket.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <sys/poll.h>
+#include <poll.h>
 
 #include "common.hpp"
 

src/utils/command.cpp

@@ -1,3 +1,4 @@
+#include <sys/wait.h>
 #include <csignal>
 
 #include "utils/command.hpp"