Added include checks

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@450 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/src/attr.h b/navit/src/attr.h
index 7b2535a..c0703b2 100644 (file)
--- a/navit/src/attr.h
+++ b/navit/src/attr.h
@@ -1,3 +1,6 @@
+#ifndef NAVIT_ATTR_H
+#define NAVIT_ATTR_H
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -37,3 +40,5 @@ void attr_free(struct attr *attr);
 #ifdef __cplusplus
 }
 #endif
+
+#endif