Export block_FifoWake() :-(

This mostly reverts commit 8e3dd711.

include/vlc_block.h

@@ -312,7 +312,7 @@ VLC_API void block_FifoRelease( block_fifo_t * );
 VLC_API void block_FifoPace( block_fifo_t *fifo, size_t max_depth, size_t max_size );
 VLC_API void block_FifoEmpty( block_fifo_t * );
 VLC_API size_t block_FifoPut( block_fifo_t *, block_t * );
-void block_FifoWake( block_fifo_t * );
+VLC_API void block_FifoWake( block_fifo_t * );
 VLC_API block_t * block_FifoGet( block_fifo_t * ) VLC_USED;
 VLC_API block_t * block_FifoShow( block_fifo_t * );
 size_t block_FifoSize( const block_fifo_t *p_fifo ) VLC_USED;

src/libvlccore.sym

@@ -31,6 +31,7 @@ block_FifoPace
 block_FifoPut
 block_FifoRelease
 block_FifoShow
+block_FifoWake
 block_File
 block_FilePath
 block_heap_Alloc