Fix always true condition

The condition was checking tac_prompt which is a static array, so it
will always return some address. Now checking the value of the first
element of the array, which can be zero on non-zero.

1 files changed, 1 insertions, 1 deletions

diff --git a/support.c b/support.c
index cc04070..292a3a9 100644
--- a/support.c
+++ b/support.c
@@ -131,7 +131,7 @@ int tacacs_get_password (pam_handle_t * pamh, int flags
          /* set up conversation call */
          msg.msg_style = PAM_PROMPT_ECHO_OFF;
 
-         if (!tac_prompt) {
+         if (!tac_prompt[0]) {
              msg.msg = "Password: ";
          } else {
              msg.msg = tac_prompt;