X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd_diff.c;h=c5c41cd650a1fad3fb9a56b027a27929ad3f90a3;hp=a00d1192511adaa035de936046185a542d8cfaa7;hb=56d67cdd0c5b2c27c9242a3d5810c7184917f663;hpb=e357fb7d089224a089b6b34699f592a29a20fd59

diff --git a/src/rrd_diff.c b/src/rrd_diff.c
index a00d119..c5c41cd 100644
--- a/src/rrd_diff.c
+++ b/src/rrd_diff.c
@@ -1,5 +1,5 @@
 /*****************************************************************************
- * RRDtool 1.3.1  Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.4.0  Copyright by Tobi Oetiker, 1997-2009
  * This code is stolen from rateup (mrtg-2.x) by Dave Rand
  *****************************************************************************
  * diff calculate the difference between two very long integers available as
@@ -35,6 +35,7 @@
  *
  *****************************************************************************/
 
+#include <ctype.h>
 #include "rrd_tool.h"
 
 double rrd_diff(