missing since e8feb96fcc:

    LINK    x86_64-softmmu/qemu-system-x86_64
  cpus.o: In function `qemu_tcg_init_vcpu':
  cpus.c:1677: undefined reference to `tcg_region_init'

Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 accel/stubs/tcg-stub.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c
index 74ce45ea07..842a9cd352 100644
--- a/accel/stubs/tcg-stub.c
+++ b/accel/stubs/tcg-stub.c
@@ -39,3 +39,7 @@ void cpu_exec_step_atomic(CPUState *cpu)
 void cpu_reloading_memory_map(void)
 {
 }
+
+void tcg_region_init(void)
+{
+}
-- 
2.15.0.rc2