Fix compiler warning

With some newer gcc versions (8 and 9) you get a -Wformat-overflow
warning here.  In PG11 and later this was already fixed.  Since it's
trivial, backport it to get the older branches building without
warnings.

diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index 0c1b01ecdae08d5db52123b2ecc8b1f1d8823c71..341dc8bba9b34fe91857fa9d1a3f89f69d9cb791 100644 (file)
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -2857,7 +2857,7 @@ parseQuery(Command *cmd)
        p = sql;
        while ((p = strchr(p, ':')) != NULL)
        {
-               char            var[12];
+               char            var[13];
                char       *name;
                int                     eaten;