add remove unlink file in pretrans devel

(cherry picked from commit 794eb9efb43b602a00e7bea56ba19d77317e09ac)

json-c.spec

@@ -6,7 +6,7 @@
 
 Name:           json-c
 Version:        0.15
-Release:        3
+Release:        4
 Summary:        JSON implementation in C
 
 License:        MIT
@@ -79,6 +79,13 @@ DESTDIR="%{buildroot}" %__cmake --install "%{_vpath_builddir}"
 mkdir -p %{buildroot}%{_pkgdocdir}
 hardlink -cfv %{buildroot}%{_pkgdocdir}
 
+%pretrans devel -p <lua>
+path = "%{_includedir}/%{name}"
+st = posix.stat(path)
+if st and st.type == "link" then
+  os.remove(path)
+end
+
 %ldconfig_scriptlets
 
 %files
@@ -95,6 +102,9 @@ hardlink -cfv %{buildroot}%{_pkgdocdir}
 %doc %{_pkgdocdir}
 
 %changelog
+* Sat Sep 3 2022 zhangrui <zhangrui182@huawei.com> - 0.15-4
+- add remove unlink file in pretrans devel
+
 * Tue Aug 30 2022 zhouwenpei <zhouwenpei1@h-partners> - 0.15-3
 - delete old so files