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-rw-r--r--ext/digest/bubblebabble/bubblebabble.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/digest/bubblebabble/bubblebabble.c b/ext/digest/bubblebabble/bubblebabble.c
index 3a03ceced0..10bde6ff71 100644
--- a/ext/digest/bubblebabble/bubblebabble.c
+++ b/ext/digest/bubblebabble/bubblebabble.c
@@ -23,7 +23,7 @@ bubblebabble_str_new(VALUE str_digest)
size_t digest_len;
VALUE str;
char *p;
- int i, j, seed = 1;
+ size_t i, j, seed = 1;
static const char vowels[] = {
'a', 'e', 'i', 'o', 'u', 'y'
};