Remove redundant gdb from BuildRequires

(cherry picked from commit 7a36bf70a26a293569fcd9295fffae539cefcb77)

mcpp.spec

@@ -1,6 +1,6 @@
 Name:           mcpp
 Version:	2.7.2
-Release:	26
+Release:	27
 Summary:	A portable C preprocessor
 License:	BSD
 URL:		http://mcpp.sourceforge.net/
@@ -8,7 +8,7 @@ Source0:	http://prdownloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 Patch0:         backport-mcpp.2.7.2.patch
 Patch1:         backport-CVE-2019-14274-05-gniibe-fix-13.patch
 
-BuildRequires:  gcc gdb
+BuildRequires:  gcc
 
 Provides:       libmcpp
 Obsoletes:      libmcpp
@@ -77,6 +77,9 @@ make check
 %{_mandir}/man1/%{name}.1.gz
 
 %changelog
+* Tue Jul 20 2021 fuanan <fuanan3@huawei.com> - 2.7.2-27
+- Remove redundant gdb from BuildRequires
+
 * Tue Jan 5 2021 zoulin<zoulin13@huawei.com> - 2.7.2-26
 - Type:CVE
 - ID:NA