Merge branch 'rj/compat-terminal-unused-fix' into maint-2.46

Build fix.

* rj/compat-terminal-unused-fix:
  compat/terminal: mark parameter of git_terminal_prompt() UNUSED
diff --git a/compat/terminal.c b/compat/terminal.c
index 0afda73..d54efa1 100644
--- a/compat/terminal.c
+++ b/compat/terminal.c
@@ -594,7 +594,7 @@ void restore_term(void)
 {
 }
 
-char *git_terminal_prompt(const char *prompt, int echo)
+char *git_terminal_prompt(const char *prompt, int echo UNUSED)
 {
 	return getpass(prompt);
 }