Mark as "internal but installed" the avio.h file.

This should prevent its direct inclusion in an external project, which
results broken if avformat.h is not included before.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17626 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

libavformat/avformat.h

@@ -23,7 +23,7 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 52
 #define LIBAVFORMAT_VERSION_MINOR 30
-#define LIBAVFORMAT_VERSION_MICRO  0
+#define LIBAVFORMAT_VERSION_MICRO  1
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \

libavformat/avio.h

@@ -23,6 +23,9 @@
 /**
  * @file libavformat/avio.h
  * unbuffered I/O operations
+ *
+ * @warning This file has to be considered an internal but installed
+ * header, so it should not be directly included in your projects.
  */
 
 #include <stdint.h>