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-rw-r--r--contrib/hstore/hstore_gist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/hstore/hstore_gist.c b/contrib/hstore/hstore_gist.c
index 3df00493e81..fe343739eb0 100644
--- a/contrib/hstore/hstore_gist.c
+++ b/contrib/hstore/hstore_gist.c
@@ -77,7 +77,7 @@ typedef struct
/* shorthand for calculating CRC-32 of a single chunk of data. */
static pg_crc32
-crc32_sz(char *buf, int size)
+crc32_sz(const char *buf, int size)
{
pg_crc32 crc;