patch 8.2.3413: Vim9: too many characters are allowed in import name

Problem:    Vim9: too many characters are allowed in import name.
Solution:   Disallow ':' and '#', check for white space. (closes #8845)
diff --git a/src/errors.h b/src/errors.h
index dd72a74..2a76504 100644
--- a/src/errors.h
+++ b/src/errors.h
@@ -270,8 +270,8 @@
 	INIT(= N_("E1045: Missing \"as\" after *"));
 EXTERN char e_missing_comma_in_import[]
 	INIT(= N_("E1046: Missing comma in import"));
-EXTERN char e_syntax_error_in_import[]
-	INIT(= N_("E1047: Syntax error in import"));
+EXTERN char e_syntax_error_in_import_str[]
+	INIT(= N_("E1047: Syntax error in import: %s"));
 EXTERN char e_item_not_found_in_script_str[]
 	INIT(= N_("E1048: Item not found in script: %s"));
 EXTERN char e_item_not_exported_in_script_str[]