!3 Add the compilation dependency of gcc.

From: @lijingyuan007
Reviewed-by: @zengwefeng
Signed-off-by: @zengwefeng

libndp.spec

@@ -1,11 +1,13 @@
 Name:      libndp
 Version:   1.7
-Release:   3
+Release:   4
 Summary:   Library for Neighbor Discovery Protocol
 License:   LGPLv2+
 URL:       http://www.libndp.org/
 Source:    http://www.libndp.org/files/libndp-%{version}.tar.gz
 
+BuildRequires: gcc
+
 %description
 This package contains a library which provides a wrapper
 for IPv6 Neighbor Discovery Protocol. It also provides a tool
@@ -52,5 +54,11 @@ Document files for libndp.
 %{_mandir}/man8/ndptool.8*
 
 %changelog
+* Thu May 27 2021 lijingyuan<lijingyuan3@huawei.com> - 1.7-4
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:Add the compilation dependency of gcc. 
+
 * Mon Sep 16 2019 liyongqiang<liyongqiang10@huawei.com> - 1.7-3
 - Package init