cpu-exec: Change cpu_loop_exit() argument to CPUState

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/exec.c b/exec.c
index 6d9e13a..5f7c472 100644
--- a/exec.c
+++ b/exec.c
@@ -1608,7 +1608,7 @@
                 tb_check_watchpoint(env);
                 if (wp->flags & BP_STOP_BEFORE_ACCESS) {
                     cpu->exception_index = EXCP_DEBUG;
-                    cpu_loop_exit(env);
+                    cpu_loop_exit(cpu);
                 } else {
                     cpu_get_tb_cpu_state(env, &pc, &cs_base, &cpu_flags);
                     tb_gen_code(env, pc, cs_base, cpu_flags, 1);