print log_fn address instead of ctx when setting logging function

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
diff --git a/libabc/libabc.c b/libabc/libabc.c
index 3dd73e1..fc472b3 100644
--- a/libabc/libabc.c
+++ b/libabc/libabc.c
@@ -206,7 +206,7 @@
 					     const char *format, va_list args))
 {
 	ctx->log_fn = log_fn;
-	info(ctx, "custom logging function %p registered\n", ctx);
+	info(ctx, "custom logging function %p registered\n", log_fn);
 }
 
 /**