qemu-char.h -> include/sysemu/char.h

Change-Id: I8e3d6e9a73a347978789a98035e89ea1e03b59aa
diff --git a/gdbstub.c b/gdbstub.c
index a391ae7..99171a3 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -30,7 +30,7 @@
 #include "qemu.h"
 #else
 #include "monitor/monitor.h"
-#include "qemu-char.h"
+#include "sysemu/char.h"
 #include "sysemu/sysemu.h"
 #include "exec/gdbstub.h"
 #endif