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 163dcad137f6477d9396fd0e33cda6df1920779e..43841e8eb4b70983f23092f70916055361e7e684 100644 (file)
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -2616,7 +2616,7 @@ parseQuery(Command *cmd, const char *raw_sql)
        p = sql;
        while ((p = strchr(p, ':')) != NULL)
        {
-               char            var[12];
+               char            var[13];
                char       *name;
                int                     eaten;