add gdb BuildRequires in spec

the building requires the gdb

attr.spec

@@ -1,7 +1,7 @@
 %{!?_licensedir:%global license %%doc}
 Name:    attr
 Version: 2.4.48
-Release: 7
+Release: 8
 Summary: Commands for Manipulating Filesystem Extended Attributes
 License: GPLv2+ AND LGPLv2+
 URL:     https://savannah.nongnu.org/projects/attr
@@ -13,7 +13,7 @@ Patch0001:  0001-bypass-wrong-output-when-enabled-selinux.patch
 Patch6000:  6000-Switch-back-to-syscall.patch
 
 
-BuildRequires: gettext, libtool, chrpath, gcc, git
+BuildRequires: gettext, libtool, chrpath, gcc, git, gdb
 Provides:      libattr
 Obsoletes:     libattr
 Conflicts:     xfsdump < 3.1.8
@@ -93,6 +93,12 @@ make %{?_smp_mflags} check
 %{_mandir}/man3/*
 
 %changelog
+* Fri Mar 20 2020 hy-euler <eulerstoragemt@huawei.com> - 2.4.48-8
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC: the building requires the gdb
+
 * Mon Mar 16 2020 Shijie Luo<luoshijie1@huawei.com> - 2.4.48-7
 - Type:bugfix
 - ID:NA