Update to 16.4

Fix compilation sometimes failing due to race condition in makefile
Resolves: BZ:2290330

libecpg.spec

@@ -3,7 +3,7 @@
 Summary: ECPG - Embedded SQL in C
 Name: libecpg
 Version: %majorversion.4
-Release: 3%{?dist}
+Release: 1%{?dist}
 
 License: PostgreSQL
 Url: http://www.postgresql.org/
@@ -70,7 +70,6 @@ find . -type f -name .gitignore | xargs rm
 
 
 %build
-export CFLAGS="$CFLAGS -std=c17"
 # We don't build server nor client (e.g. /bin/psql) binaries in this package, so
 # we can disable some configure options.
 %configure \
@@ -133,20 +132,11 @@ find_lang_bins %name-devel.lst  ecpg
 
 
 %changelog
-* Thu Jul 24 2025 Fedora Release Engineering <releng@fedoraproject.org> - 16.4-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild
-
-* Fri Jan 17 2025 Fedora Release Engineering <releng@fedoraproject.org> - 16.4-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
-
 * Thu Aug 29 2024 Ales Nezbeda <anezbeda@redhat.com> - 16.4-1
 - Update to 16.4
 - Fix compilation sometimes failing due to race condition in makefile
 - Resolves: BZ:2290330
 
-* Thu Jul 18 2024 Fedora Release Engineering <releng@fedoraproject.org> - 16.3-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild
-
 * Mon May 27 2024 Ales Nezbeda <anezbeda@redhat.com> - 16.3-1
 - Update to 16.3