icount: rename functions to be consistent with the module name

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/util/main-loop.c b/util/main-loop.c
index 0c5fe01..6470f8e 100644
--- a/util/main-loop.c
+++ b/util/main-loop.c
@@ -526,7 +526,7 @@
          * CPU thread can infinitely wait for event after
          * missing the warp
          */
-        qemu_start_warp_timer();
+        icount_start_warp_timer();
     }
     qemu_clock_run_all_timers();
 }