lib-storage: Initialize reset_id in index_index_copy_cache

Makes valgrind happy with clang's optimizations.

diff --git a/src/lib-storage/index/index-rebuild.c b/src/lib-storage/index/index-rebuild.c
index 4727928c80c278e5d4f56ce5c8b87b475b398231..d64555fa59d4a495b79ddf482848a34c16836038 100644 (file)
--- a/src/lib-storage/index/index-rebuild.c
+++ b/src/lib-storage/index/index-rebuild.c
@@ -32,7 +32,7 @@ index_index_copy_cache(struct index_rebuild_context *ctx,
 {
        struct mail_index_map *map;
        const void *data;
-       uint32_t reset_id;
+       uint32_t reset_id = 0;
        bool expunged;
 
        if (ctx->cache_ext_id == (uint32_t)-1)