patch 8.2.4300: cannot build tiny version

Problem:    Cannot build tiny version. (Tony Mechelynck)
Solution:   Add #ifdef.
diff --git a/src/main.c b/src/main.c
index 389d570..5d02c95 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1047,8 +1047,10 @@
     return stuff_empty()
 	&& typebuf.tb_len == 0
 	&& scriptin[curscript] == NULL
-	&& !global_busy
-	&& !debug_mode;
+#ifdef FEAT_EVAL
+	&& !debug_mode
+#endif
+	&& !global_busy;
 }
 
 /*