Fix assert in case of subrace choices with no help

The assert would trigger when trying to access the
help from the Ent -> Classic menu item which has no
associated help entry.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/help.c b/src/help.c
index 6d196060..7aae360e 100644
--- a/src/help.c
+++ b/src/help.c
@@ -674,7 +674,10 @@ void init_hooks_help()
  */
 static void show_context_help(context_help_type *context_help)
 {
-	assert(context_help != NULL);
+	if (context_help == NULL)
+	{
+		return;
+	}
 
 	screen_save();