X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.h;h=0f9079a15c434d4b40f491ee4d7dab6e1baee2f2;hb=32bff69819374d9875577fe106dee60af473637b;hp=fa5e7ceac0135fac2f16e24b731346f525b593ba;hpb=8c07cbbcf8f7f653216a7245dcc05f929df44299;p=rrdtool.git

diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index fa5e7ce..0f9079a 100644
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -1,3 +1,6 @@
+#ifndef _RRD_GRAPH_H
+#define _RRD_GRAPH_H
+
 #include "rrd_tool.h"
 #include "rrd_rpncalc.h"
 #include "rrd_gfx.h"
@@ -218,3 +221,5 @@ int vdef_parse(struct graph_desc_t *,char *);
 int vdef_calc(image_desc_t *, int);
 int vdef_percent_compar(const void *,const void *);
 int graph_size_location(image_desc_t *, int, int);
+
+#endif