defs.h: stop including <asm/unistd.h>

Limit the number of files where <asm/unistd.h> is included
to only those few that need it.

* defs.h: Do not include <asm/unistd.h>.
* clone.c: Include <asm/unistd.h>.
* strace.c: Likewise.
* syscall.c: Likewise.
* util.c: Likewise.

clone.c

@@ -30,8 +30,8 @@
  */
 
 #include "defs.h"
-
 #include <sched.h>
+#include <asm/unistd.h>
 
 #ifndef CSIGNAL
 # define CSIGNAL 0x000000ff

defs.h

@@ -51,7 +51,6 @@
 #include <errno.h>
 #include <time.h>
 #include <sys/time.h>
-#include <asm/unistd.h>
 
 #include "kernel_types.h"
 #include "mpers_type.h"

strace.c

@@ -43,6 +43,7 @@
 #ifdef HAVE_PRCTL
 # include <sys/prctl.h>
 #endif
+#include <asm/unistd.h>
 
 #include "ptrace.h"
 #include "printsiginfo.h"

syscall.c

@@ -39,6 +39,9 @@
 /* for struct iovec */
 #include <sys/uio.h>
 
+/* for __X32_SYSCALL_BIT */
+#include <asm/unistd.h>
+
 #include "regs.h"
 #include "ptrace.h"
 

util.c

@@ -39,6 +39,7 @@
 # include <sys/xattr.h>
 #endif
 #include <sys/uio.h>
+#include <asm/unistd.h>
 
 #include "regs.h"
 #include "ptrace.h"