context BUGFIX add context.c into a build system and fix issues
diff --git a/src/log.h b/src/log.h
index 0d67918..8ab9703 100644
--- a/src/log.h
+++ b/src/log.h
@@ -15,12 +15,13 @@
 #ifndef LY_LOG_H_
 #define LY_LOG_H_
 
-#include "libyang.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+/* dummy context structure */
+struct ly_ctx;
+
 /**
  * @defgroup log Logger
  * @{