fix to compile

diff --git a/src/bitmap.h b/src/bitmap.h
index 45cef21..2373910 100644 (file)
--- a/src/bitmap.h
+++ b/src/bitmap.h
@@ -7,12 +7,14 @@
 
 /*
  * bitmap.h
- * 
+ *
  */
 
 #ifndef SATSOLVER_BITMAP_H
 #define SATSOLVER_BITMAP_H
 
+#include <string.h>
+
 typedef struct _Map {
   unsigned char *map;
   int size;