Fix cpu list("-cpu ?") breakage, spotted by TeLeMan

Fix breakage by 04c9a0cbc2bf496889cef6da2d61bf00ef190a4f.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/cpus.h b/cpus.h
index 4ebad3a36..774150a76 100644
--- a/cpus.h
+++ b/cpus.h
@@ -16,5 +16,7 @@ void vm_state_notify(int running, int reason);
 bool tcg_cpu_exec(void);
 void set_numa_modes(void);
 void set_cpu_log(const char *optarg);
+void list_cpus(FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...),
+               const char *optarg);
 
 #endif