Re-organize file names
diff --git a/execute_program.c b/execute_program.c
index 6704d51..cea6608 100644
--- a/execute_program.c
+++ b/execute_program.c
@@ -12,7 +12,7 @@
 #include <pwd.h>
 #include <grp.h>
 
-#include "main.h"
+#include "common.h"
 #include "options.h"
 #include "debug.h"
 #include "sysdep.h"