Update ext/pcntl/pcntl.c

Co-authored-by: Peter Kokot <peterkokot@gmail.com>

Author: vrza

ext/pcntl/pcntl.c

@@ -125,7 +125,7 @@ typedef psetid_t cpu_set_t;
 #include <pthread/qos.h>
 #endif
 
-#if defined(__linux__) && defined(HAVE_DECL_SYS_WAITID) && HAVE_DECL_SYS_WAITID == 1 && defined(HAVE_SYSCALL) && HAVE_SYSCALL == 1
+#if defined(__linux__) && defined(HAVE_DECL_SYS_WAITID) && HAVE_DECL_SYS_WAITID == 1 && defined(HAVE_SYSCALL)
 #define HAVE_LINUX_RAW_SYSCALL_WAITID 1
 #endif