fix uninitialized warning
`index` might be uninitialized. Warning can be produced with gcc and `-01` flag.
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784cf65635
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@ -405,7 +405,7 @@ static void realloc_crtcs(struct wlr_drm_backend *backend,
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memset(possible_crtc, 0, sizeof(possible_crtc));
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memset(possible_crtc, 0, sizeof(possible_crtc));
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size_t index;
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size_t index = 0;
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for (size_t i = 0; i < backend->outputs->length; ++i) {
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for (size_t i = 0; i < backend->outputs->length; ++i) {
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struct wlr_drm_output *o = backend->outputs->items[i];
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struct wlr_drm_output *o = backend->outputs->items[i];
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if (o == output) {
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if (o == output) {
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