char: rename qemu_chr_write() -> qemu_chr_fe_write()

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/monitor.c b/monitor.c
index 39791dc..f95d959 100644
--- a/monitor.c
+++ b/monitor.c
@@ -247,7 +247,7 @@
 void monitor_flush(Monitor *mon)
 {
     if (mon && mon->outbuf_index != 0 && !mon->mux_out) {
-        qemu_chr_write(mon->chr, mon->outbuf, mon->outbuf_index);
+        qemu_chr_fe_write(mon->chr, mon->outbuf, mon->outbuf_index);
         mon->outbuf_index = 0;
     }
 }