Fix includes after change to build-sys
Make the includes be libkmod/libkmod.h for code outside of library. This
fixes the broken build after 1315123 ('build-sys: Don't add libkmod
subdirectory to include path').
diff --git a/testsuite/test-blacklist.c b/testsuite/test-blacklist.c
index 1ec853f..99a86ab 100644
--- a/testsuite/test-blacklist.c
+++ b/testsuite/test-blacklist.c
@@ -23,7 +23,7 @@
#include <string.h>
#include <unistd.h>
-#include <libkmod.h>
+#include <libkmod/libkmod.h>
/* good luck bulding a kmod_list outside of the library... makes this blacklist
* function rather pointless */