flashsv encoder also depends on zlib

git-svn-id: file:///var/local/repositories/ffmpeg/trunk@7629 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

configure

@@ -494,6 +494,7 @@ HAVE_LIST='
 '
 
 flashsv_decoder_deps="zlib"
+flashsv_encoder_deps="zlib"
 mpeg_xvmc_decoder_deps="xvmc"
 png_decoder_deps="zlib"
 png_encoder_deps="zlib"