make compile on linux...needed string.h

diff --git a/hashtable.h b/hashtable.h
index bf759285fa7899da5a40fc4bb082bdc8cfbcfd35..4d3b7de8e9a7b9e8d270b543c8dbc8315a664965 100644 (file)
--- a/hashtable.h
+++ b/hashtable.h
@@ -7,6 +7,7 @@
 
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include "mymemory.h"
 
 /**