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-rw-r--r--read-cache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/read-cache.c b/read-cache.c
index 01e84b758b..14ed4fdf65 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -344,7 +344,7 @@ unmap:
}
#define WRITE_BUFFER_SIZE 8192
-static char write_buffer[WRITE_BUFFER_SIZE];
+static unsigned char write_buffer[WRITE_BUFFER_SIZE];
static unsigned long write_buffer_len;
static int ce_write(SHA_CTX *context, int fd, void *data, unsigned int len)