error: Move qemu_error & friends into their own header
diff --git a/qemu-config.c b/qemu-config.c
index 246fae6..2c9a7a5 100644
--- a/qemu-config.c
+++ b/qemu-config.c
@@ -1,4 +1,5 @@
 #include "qemu-common.h"
+#include "qemu-error.h"
 #include "qemu-option.h"
 #include "qemu-config.h"
 #include "sysemu.h"