avformat/swfenc: Remove unneeded floats

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/swfenc.c

@@ -279,8 +279,8 @@ static int swf_write_header(AVFormatContext *s)
         avio_w8(pb, 0x41); /* clipped bitmap fill */
         avio_wl16(pb, BITMAP_ID); /* bitmap ID */
         /* position of the bitmap */
-        put_swf_matrix(pb, (int)(1.0 * (1 << FRAC_BITS)), 0,
-                       0, (int)(1.0 * (1 << FRAC_BITS)), 0, 0);
+        put_swf_matrix(pb, 1 << FRAC_BITS, 0,
+                       0,  1 << FRAC_BITS, 0, 0);
         avio_w8(pb, 0); /* no line style */
 
         /* shape drawing */