Make the deleted_key variables static const.

I think I may have made them public thinking of reaching over for them
in testcases for poking at deleted key behavior, but this makes more
sense.  Noted by Chad Versace.

2 files changed, 4 insertions, 4 deletions

diff --git a/hash_table.c b/hash_table.c
index 2e0adc0..d097039 100644
--- a/hash_table.c
+++ b/hash_table.c
@@ -44,8 +44,8 @@
  * free to avoid exponential performance degradation as the hash table fills
  */
 
-uint32_t deleted_key_value;
-const void *deleted_key = &deleted_key_value;
+static const uint32_t deleted_key_value;
+static const void *deleted_key = &deleted_key_value;
 
 static const struct {
    uint32_t max_entries, size, rehash;
diff --git a/set.c b/set.c
index edc4e4e..b525bcb 100644
--- a/set.c
+++ b/set.c
@@ -44,8 +44,8 @@
  * free to avoid exponential performance degradation as the hash table fills
  */
 
-uint32_t deleted_key_value;
-const void *deleted_key = &deleted_key_value;
+static const uint32_t deleted_key_value;
+static const void *deleted_key = &deleted_key_value;
 
 static const struct {
    uint32_t max_entries, size, rehash;