libyang UPDATE add prefix for common and config files

To avoid include conflicts.
diff --git a/src/printer_lyb.c b/src/printer_lyb.c
index 820e81e..5a062b1 100644
--- a/src/printer_lyb.c
+++ b/src/printer_lyb.c
@@ -20,11 +20,11 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "common.h"
 #include "compat.h"
 #include "context.h"
 #include "hash_table.h"
 #include "log.h"
+#include "ly_common.h"
 #include "out.h"
 #include "out_internal.h"
 #include "plugins_exts/metadata.h"