fix to handle compiling debugging without CONFIG_FTRACE

From: Clark Williams <williams@redhat.com>

Signed-off-by: Clark Williams <williams@redhat.com>
---

 include/linux/ftrace.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)


diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 4c390ae..760d4cf 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -1,10 +1,11 @@
 #ifndef _LINUX_FTRACE_H
 #define _LINUX_FTRACE_H
 
+#include <linux/ktime.h>
+
 #ifdef CONFIG_FTRACE
 
 #include <linux/linkage.h>
-#include <linux/ktime.h>
 #include <linux/fs.h>
 
 extern int ftrace_enabled;