Re-organize file names
diff --git a/proc.c b/proc.c
index c430e0c..186788d 100644
--- a/proc.c
+++ b/proc.c
@@ -8,7 +8,7 @@
 #include <errno.h>
 #include <stdlib.h>
 
-#include "main.h"
+#include "common.h"
 #include "options.h"
 #include "elf.h"