Fixed seeking at the exact stream end in block mode.

 It fixes errors when using mapped file input (for example with asf,
or with truncated files)
 Please, report any regression (with dvb, mapped file, v4l, mms inputs)

src/input/stream.c

@@ -905,10 +905,8 @@ static int AStreamSeekBlock( stream_t *s, int64_t i_pos )
 
         /* Refill a block */
         if( AStreamRefillBlock( s ) )
-        {
-            msg_Err( s, "cannot pre fill buffer" );
             return VLC_EGENERIC;
-        }
+
         /* Update stat */
         p_sys->stat.i_seek_time += i_end - i_start;
         p_sys->stat.i_seek_count++;
@@ -917,15 +915,13 @@ static int AStreamSeekBlock( stream_t *s, int64_t i_pos )
     else
     {
         /* Read enough data */
-        while( p_sys->block.i_start + p_sys->block.i_size < i_pos )
+        while( p_sys->block.i_start + p_sys->block.i_size <= i_pos )
         {
             if( AStreamRefillBlock( s ) )
-            {
-                msg_Err( s, "can't read enough data in seek" );
                 return VLC_EGENERIC;
-            }
+
             while( p_sys->block.p_current &&
-                   p_sys->i_pos + p_sys->block.p_current->i_buffer < i_pos )
+                   p_sys->i_pos + p_sys->block.p_current->i_buffer <= i_pos )
             {
                 p_sys->i_pos += p_sys->block.p_current->i_buffer;
                 p_sys->block.p_current = p_sys->block.p_current->p_next;
@@ -935,7 +931,6 @@ static int AStreamSeekBlock( stream_t *s, int64_t i_pos )
         p_sys->block.i_offset = i_pos - p_sys->i_pos;
         p_sys->i_pos = i_pos;
 
-        /* TODO read data */
         return VLC_SUCCESS;
     }