Add missing #include stdio.h

Include stdio.h in files that use fprintf()

Signed-off-by: dann frazier <dannf@debian.org>
diff --git a/sysdeps/linux-gnu/aarch64/regs.c b/sysdeps/linux-gnu/aarch64/regs.c
index 06eb72b..461ec12 100644
--- a/sysdeps/linux-gnu/aarch64/regs.c
+++ b/sysdeps/linux-gnu/aarch64/regs.c
@@ -23,6 +23,7 @@
 #include <linux/uio.h>
 #include <assert.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 #include "backend.h"
 #include "proc.h"
diff --git a/sysdeps/linux-gnu/aarch64/trace.c b/sysdeps/linux-gnu/aarch64/trace.c
index 5544b51..4f31113 100644
--- a/sysdeps/linux-gnu/aarch64/trace.c
+++ b/sysdeps/linux-gnu/aarch64/trace.c
@@ -23,6 +23,7 @@
 #include <sys/wait.h>
 #include <asm/ptrace.h>
 #include <string.h>
+#include <stdio.h>
 #include <errno.h>
 
 #include "backend.h"