Silence compiler warning about uninitialized variable.

diff --git a/contrib/pg_upgrade/exec.c b/contrib/pg_upgrade/exec.c
index 42c5c0fff402677524d914321b71501ba1bff6f6..68cf0795aabdb7f734d2528980cf4bbad6a8a46f 100644 (file)
--- a/contrib/pg_upgrade/exec.c
+++ b/contrib/pg_upgrade/exec.c
@@ -40,7 +40,7 @@ exec_prog(bool throw_error, bool is_priv,
    va_list     args;
    int         result;
    char        cmd[MAXPGPATH];
-   mode_t old_umask;
+   mode_t      old_umask = 0;
 
    if (is_priv)
        old_umask = umask(S_IRWXG | S_IRWXO);