!55 update libbpf.spec source

From: @zhang-mingyi66 
Reviewed-by: @bitcoffee 
Signed-off-by: @bitcoffee

libbpf.spec

@@ -4,12 +4,12 @@
 
 Name:           %{githubname}
 Version:        %{githubver}
-Release:        1
+Release:        2
 Summary:        Libbpf library
 
 License:        LGPLv2 or BSD
 URL:            https://github.com/%{githubname}/%{githubname}
-Source:         https://github.com/%{githubname}/%{githubname}/archive/refs/tags/%{githubver}.tar.gz
+Source:         https://github.com/%{githubname}/%{githubname}/archive/refs/tags/v%{githubver}.tar.gz
 BuildRequires:  gcc elfutils-libelf-devel elfutils-devel
 
 Patch0000:	backport-libbpf-Fix-determine_ptr_size-guessing.patch
@@ -65,6 +65,9 @@ developing applications that use %{name}
 %{_libdir}/libbpf.a
 
 %changelog
+* Fri Dec 2 2022 zhangmingyi<zhangmingyi5@huawei.com> - 2:0.8.1-2
+- update libbpf.spec source
+
 * Fri Dec 2 2022 zhangmingyi<zhangmingyi5@huawei.com> - 2:0.8.1-1 
 - update master