typo

diff --git a/demo/foo.c b/demo/foo.c
index d0661166d32b7db399e5d243e3aa5327103d2ea7..4b67739970b8bbbe44e3d5277aaea1c254d7cf77 100644 (file)
--- a/demo/foo.c
+++ b/demo/foo.c
@@ -20,7 +20,7 @@ USA. */
 
 #define _LIBFOO_COMPILATION_
 #include "foo.h"
-#undef _LIBFOO_COMPILATION
+#undef _LIBFOO_COMPILATION_
 
 #include <stdio.h>