[PATCH 2/2] hashmap: fix typo in usage docs

["Elijah Newren via GitGitGadget" <gitgitgadget@gmail.com>]

From: Elijah Newren <newren@gmail.com>

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 hashmap.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hashmap.h b/hashmap.h
index 79ae9f80de..ef220de4c6 100644
--- a/hashmap.h
+++ b/hashmap.h
@@ -168,7 +168,7 @@ struct hashmap_entry {
  * argument `keydata`, respectively. Otherwise, `keydata` is NULL.
  *
  * When it is too expensive to allocate a user entry (either because it is
- * large or varialbe sized, such that it is not on the stack), then the
+ * large or variable sized, such that it is not on the stack), then the
  * relevant data to check for equality should be passed via `keydata`.
  * In this case `key` can be a stripped down version of the user key data
  * or even just a hashmap_entry having the correct hash.
-- 
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