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-rw-r--r--message-file.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/message-file.c b/message-file.c
index cb2bf665..f625a930 100644
--- a/message-file.c
+++ b/message-file.c
@@ -162,7 +162,7 @@ copy_header_unfolding (header_value_closure_t *value,
chunk++;
if (value->len + 1 + strlen (chunk) + 1 > value->size) {
- int new_size = value->size;
+ unsigned int new_size = value->size;
if (value->size == 0)
new_size = strlen (chunk) + 1;
else