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/contrib/pgbench/pgbench.c b/contrib/pgbench/pgbench.c
index ee2df8fb33ce6b7c3d325c0e07b2b0c44971bbf6..21eed7acf305ec8d6f810f04afdec9fa8d44767e 100644 (file)
--- a/contrib/pgbench/pgbench.c
+++ b/contrib/pgbench/pgbench.c
@@ -1948,7 +1948,7 @@ parseQuery(Command *cmd, const char *raw_sql)
    p = sql;
    while ((p = strchr(p, ':')) != NULL)
    {
-       char        var[12];
+       char        var[13];
        char       *name;
        int         eaten;