Tidy up unnecessary #includes that risu.h provides.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 risu.h         | 1 +
 risu_aarch64.c | 5 -----
 risu_m68k.c    | 5 -----
 risu_ppc64le.c | 5 -----
 4 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/risu.h b/risu.h
index 90e4f23..883bcf7 100644
--- a/risu.h
+++ b/risu.h
@@ -15,6 +15,7 @@
 #include <inttypes.h>
 #include <stdint.h>
 #include <ucontext.h>
+#include <stdio.h>
 
 /* GCC computed include to pull in the correct risu_reginfo_*.h for
  * the architecture.
diff --git a/risu_aarch64.c b/risu_aarch64.c
index cdd23d8..9c6809d 100644
--- a/risu_aarch64.c
+++ b/risu_aarch64.c
@@ -10,12 +10,7 @@
  *     based on Peter Maydell's risu_arm.c
  *****************************************************************************/
 
-#include <stdio.h>
-#include <ucontext.h>
-#include <string.h>
-
 #include "risu.h"
-#include "risu_reginfo_aarch64.h"
 
 void advance_pc(void *vuc)
 {
diff --git a/risu_m68k.c b/risu_m68k.c
index 851487b..f84ac7a 100644
--- a/risu_m68k.c
+++ b/risu_m68k.c
@@ -6,12 +6,7 @@
  * http://www.eclipse.org/legal/epl-v10.html
  ******************************************************************************/
 
-#include <stdio.h>
-#include <ucontext.h>
-#include <string.h>
-
 #include "risu.h"
-#include "risu_reginfo_m68k.h"
 
 void advance_pc(void *vuc)
 {
diff --git a/risu_ppc64le.c b/risu_ppc64le.c
index c15d78e..b575078 100644
--- a/risu_ppc64le.c
+++ b/risu_ppc64le.c
@@ -11,12 +11,7 @@
  *     based on Peter Maydell's risu_arm.c
  *****************************************************************************/
 
-#include <stdio.h>
-#include <ucontext.h>
-#include <string.h>
-
 #include "risu.h"
-#include "risu_reginfo_ppc64le.h"
 
 void advance_pc(void *vuc)
 {
-- 
2.7.4