Add sys/wait.h reference in proc_open
#include "zend_list.h"
#include "ext/standard/proc_open.h"
+#ifdef HAVE_SYS_WAIT_H
+# include <sys/wait.h>
+#endif
+
static int le_proc_open = -1;
static int swow_proc_open_rsrc_close(php_process_handle *proc)
