patch 8.2.3963: build failure with tiny and small features

Problem:    Build failure with tiny and small features. (Tony Mechelynck)
Solution:   Adjust #ifdefs.

src/errors.h

@@ -549,6 +549,7 @@ EXTERN char e_invalid_command[]
 #ifdef FEAT_EVAL
 EXTERN char e_invalid_command_str[]
 	INIT(= N_("E476: Invalid command: %s"));
+#endif
 
 	// E502
 EXTERN char e_is_a_directory[]
@@ -618,6 +619,7 @@ EXTERN char e_no_matching_autocommands_for_acwrite_buffer[]
 	INIT(= N_("E676: No matching autocommands for acwrite buffer"));
 EXTERN char e_buffer_nr_invalid_buffer_number[]
 	INIT(= N_("E680: <buffer=%d>: invalid buffer number"));
+#ifdef FEAT_EVAL
 EXTERN char e_cannot_index_a_funcref[]
 	INIT(= N_("E695: Cannot index a Funcref"));
 
@@ -684,9 +686,9 @@ EXTERN char e_job_still_running[]
 	INIT(= N_("E948: Job still running"));
 EXTERN char e_job_still_running_add_bang_to_end_the_job[]
 	INIT(= N_("E948: Job still running (add ! to end the job)"));
+#endif
 EXTERN char e_file_changed_while_writing[]
 	INIT(= N_("E949: File changed while writing"));
-#endif
 EXTERN char_u e_invalid_column_number_nr[]
 	INIT(= N_("E964: Invalid column number: %ld"));
 EXTERN char_u e_invalid_line_number_nr[]

src/message.c

@@ -826,7 +826,7 @@ iemsg(char *s)
     if (!emsg_not_now())
     {
 	emsg_core((char_u *)s);
-#ifdef ABORT_ON_INTERNAL_ERROR
+#if defined(ABORT_ON_INTERNAL_ERROR) && defined(FEAT_EVAL)
 	set_vim_var_string(VV_ERRMSG, (char_u *)s, -1);
 	abort();
 #endif

src/version.c

@@ -749,6 +749,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3963,
 /**/
     3962,
 /**/