Re-organize file names
diff --git a/process_event.c b/process_event.c
index 169db09..43ff0ee 100644
--- a/process_event.c
+++ b/process_event.c
@@ -10,7 +10,7 @@
 #include <assert.h>
 #include <sys/time.h>
 
-#include "main.h"
+#include "common.h"
 #include "output.h"
 #include "options.h"
 #include "elf.h"