char: rename qemu_chr_read() -> qemu_chr_be_write()

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/spice-qemu-char.c b/spice-qemu-char.c
index 684024b..f3e7702 100644
--- a/spice-qemu-char.c
+++ b/spice-qemu-char.c
@@ -39,7 +39,7 @@
         if (qemu_chr_can_read(scd->chr) < last_out) {
             break;
         }
-        qemu_chr_read(scd->chr, p, last_out);
+        qemu_chr_be_write(scd->chr, p, last_out);
         out += last_out;
         len -= last_out;
         p += last_out;