!8 lz4 delete -Sgit from %autosetup, and delete BuildRequires git

From: @chenyanpanHW
Reviewed-by: @xiezhipeng1
Signed-off-by: @xiezhipeng1

lz4.spec

@@ -1,6 +1,6 @@
 Name:           lz4
 Version:        1.9.3
-Release:        2
+Release:        3
 Summary:        Extremely fast compression algorithm
 
 License:        GPLv2+ and BSD
@@ -13,7 +13,7 @@ Provides:       %{name}-libs = %{version}-%{release}
 Obsoletes:      %{name} < 1.7.5-3
 Obsoletes:      %{name}-libs
 
-BuildRequires:	gcc git
+BuildRequires:	gcc 
 
 %description
 LZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per
@@ -34,7 +34,7 @@ applications using liblz4 library.
 %package_help
 
 %prep
-%autosetup -n %{name}-%{version} -p1 -Sgit
+%autosetup -n %{name}-%{version} -p1
 cp %{_builddir}/%{name}-%{version}/lib/LICENSE %{_builddir}/%{name}-%{version}/LICENSE-lib
 
 %build
@@ -69,6 +69,9 @@ export MOREFLAGS="-g"
 %{_mandir}/man1/unlz4.1*
 
 %changelog
+* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.9.3-3
+- DESC: delete -Sgit from %autosetup, and delete BuildRequires git
+
 * Sat Jun 19 2021 shixuantong <shixuantong@huawei.com> - 1.9.3-2 
 - fix CVE-2021-3520