Created library "libltrace.a" and a simple program that calls it
diff --git a/summary.c b/summary.c
index 4844531..09926bf 100644
--- a/summary.c
+++ b/summary.c
@@ -6,7 +6,7 @@
 #include <stdlib.h>
 #include <sys/time.h>
 
-#include "ltrace.h"
+#include "main.h"
 #include "options.h"
 
 #ifdef USE_DEMANGLE