Mesa (master): vulkan/wsi: initialise image_index to 0 in x11_manage_fifo_queues

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Module: Mesa
Branch: master
Commit: 2c020dbf063b55d96b1e799fb8dd6ec335b84c33
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=2c020dbf063b55d96b1e799fb8dd6ec335b84c33

Author: Kai Wasserbäch <kai at dev.carbon-project.org>
Date:   Fri Aug 17 16:32:33 2018 +0200

vulkan/wsi: initialise image_index to 0 in x11_manage_fifo_queues

Supresses a maybe-uninitialized warning with GCC 8.

Note: image_index should always be initialised due to the result check,
      but the compiler doesn't see that.

Signed-off-by: Kai Wasserbäch <kai at dev.carbon-project.org>
Reviewed-by: Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl>

---

 src/vulkan/wsi/wsi_common_x11.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/vulkan/wsi/wsi_common_x11.c b/src/vulkan/wsi/wsi_common_x11.c
index 7e7b3a94e4..7b930884b4 100644
--- a/src/vulkan/wsi/wsi_common_x11.c
+++ b/src/vulkan/wsi/wsi_common_x11.c
@@ -991,7 +991,7 @@ x11_manage_fifo_queues(void *state)
        * before that point so the client should be able to acquire any image
        * other than the currently presented one.
        */
-      uint32_t image_index;
+      uint32_t image_index = 0;
       result = wsi_queue_pull(&chain->present_queue, &image_index, INT64_MAX);
       assert(result != VK_TIMEOUT);
       if (result < 0) {