Use "-internal" suffix instead of "-private"
diff --git a/libkmod/libkmod-signature.c b/libkmod/libkmod-signature.c
index 6b80caa..6237ab7 100644
--- a/libkmod/libkmod-signature.c
+++ b/libkmod/libkmod-signature.c
@@ -24,7 +24,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "libkmod-private.h"
+#include "libkmod-internal.h"
 
 /* These types and tables were copied from the 3.7 kernel sources.
  * As this is just description of the signature format, it should not be