add Epoch in spec file

(cherry picked from commit f36cf688a272195e52a809f87953be5d075627d8)

libunwind.spec

@@ -1,6 +1,7 @@
 Name: libunwind
+Epoch: 2
 Version: 1.3.1
-Release: 3
+Release: 4
 Summary: Libunwind provides a C ABI to determine the call-chain of a program
 License: BSD
 URL: http://savannah.nongnu.org/projects/libunwind
@@ -29,7 +30,7 @@ supports both local (same-process) and remote (across-process) operation.
 
 %package devel
 Summary: Development files for libunwind
-Requires: libunwind = %{version}-%{release}
+Requires: libunwind = %{epoch}:%{version}-%{release}
 
 %description devel
 This package contains development files for libunwind.
@@ -93,6 +94,9 @@ make check || true
 %{_mandir}/*/*
 
 %changelog
+* Wed Aug 31 2022 yanglongkang <yanglongkang@h-partners.com> - 2:1.3.1-4
+- add Epoch in spec file
+
 * Sun Jan 12 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.3.1-3
 - remove useless patch