main-loop: fix select_ret uninitialized variable warning

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1361356113-11049-2-git-send-email-stefanha@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/main-loop.c b/main-loop.c
index 6f52ac3..d0d8fe4 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -330,7 +330,8 @@
 static int os_host_main_loop_wait(uint32_t timeout)
 {
     GMainContext *context = g_main_context_default();
-    int select_ret, g_poll_ret, ret, i;
+    int select_ret = 0;
+    int g_poll_ret, ret, i;
     PollingEntry *pe;
     WaitObjects *w = &wait_objects;
     gint poll_timeout;