patch 8.2.3973: tiny build fails

Problem:    Tiny build fails.
Solution:   Adjust #ifdefs
diff --git a/src/errors.h b/src/errors.h
index 27dde8f..1ab0fb6 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -690,11 +690,13 @@
 	INIT(= N_("E588: :endwhile without :while"));
 EXTERN char e_endfor_without_for[]
 	INIT(= N_("E588: :endfor without :for"));
+#endif
 EXTERN char e_winheight_cannot_be_smaller_than_winminheight[]
 	INIT(= N_("E591: 'winheight' cannot be smaller than 'winminheight'"));
 EXTERN char e_winwidth_cannot_be_smaller_than_winminwidth[]
 	INIT(= N_("E592: 'winwidth' cannot be smaller than 'winminwidth'"));
 
+#ifdef FEAT_EVAL
 EXTERN char e_missing_endtry[]
 	INIT(= N_("E600: Missing :endtry"));
 EXTERN char e_endtry_without_try[]
diff --git a/src/version.c b/src/version.c
index f98cf43..1fc6dac 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3973,
+/**/
     3972,
 /**/
     3971,