Remove unnecessary #includes.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@2769 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_memory.c b/coregrind/vg_memory.c
index 0e1cd84..9bbc7d9 100644
--- a/coregrind/vg_memory.c
+++ b/coregrind/vg_memory.c
@@ -32,8 +32,6 @@
 
 #include "core.h"
 
-#include <stddef.h>
-
 /* Define to debug the memory-leak-detector. */
 /* #define VG_DEBUG_LEAKCHECK */
 
diff --git a/coregrind/vg_signals.c b/coregrind/vg_signals.c
index 7cbc81a..4d46e48 100644
--- a/coregrind/vg_signals.c
+++ b/coregrind/vg_signals.c
@@ -75,7 +75,6 @@
  */
 
 #include "core.h"
-#include <stddef.h>		/* OK, no library dependencies */
 
 /* Define to give more sanity checking for signals. */
 #define DEBUG_SIGNALS
diff --git a/coregrind/vg_transtab.c b/coregrind/vg_transtab.c
index 24d5500..6640bc2 100644
--- a/coregrind/vg_transtab.c
+++ b/coregrind/vg_transtab.c
@@ -30,7 +30,6 @@
 */
 
 #include "core.h"
-#include <stddef.h>
 
 /* #define DEBUG_TRANSTAB */