!3 Fix build error

From: @starlet-dx 
Reviewed-by: @caodongxia 
Signed-off-by: @caodongxia

erlang-gettext.spec

@@ -4,7 +4,7 @@
 %global short_tag %(c=%{git_tag}; echo ${c:0:7})
 Name:                erlang-%{realname}
 Version:             2.1.0
-Release:             1
+Release:             2
 BuildArch:           noarch
 Summary:             Erlang internationalization library
 License:             MIT
@@ -12,6 +12,7 @@ URL:                 https://github.com/%{upstream}/%{realname}
 VCS:                 scm:git:https://github.com/%{upstream}/%{realname}.git
 Source0:             https://github.com/%{upstream}/%{realname}/archive/%{git_tag}/%{realname}-%{version}.tar.gz
 BuildRequires:       erlang-rebar
+BuildRequires:       erlang-edoc
 %description
 Erlang internationalization library.
 
@@ -33,5 +34,8 @@ Erlang internationalization library.
 %{erlang_appdir}/
 
 %changelog
+* Thu Jul 20 2023 yaoxin <yao_xin001@hoperun.com> - 2.1.0-2
+- Fix build error
+
 * Sat Aug 29 2020 wangyue <wangyue92@huawei.com> - 2.1.0-1
 - package init