pool: cast arithmetic
diff --git a/src/pool.c b/src/pool.c
index c0efe9c..49f2a53 100644
--- a/src/pool.c
+++ b/src/pool.c
@@ -30,7 +30,7 @@ uint32_t git_pool__system_page_size(void)
if (git__page_size(&page_size) < 0)
page_size = 4096;
/* allow space for malloc overhead */
- size = page_size - (2 * sizeof(void *)) - sizeof(git_pool_page);
+ size = (uint32_t)(page_size - (2 * sizeof(void *)) - sizeof(git_pool_page));
}
return size;