ensure no accidental ABI bumps

6.0.2 bumps ABI from .so.4 to .so.7 due to pgc_t struct field swap
(still_time -> pg_playback_mode)

libdvdread.spec

@@ -1,6 +1,8 @@
+%global abi 7
+
 Name:           libdvdread
 Version:        6.0.2
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A library for reading DVD video discs based on Ogle code
 License:        GPLv2+
 URL:            http://dvdnav.mplayerhq.hu/
@@ -44,7 +46,7 @@ rm %{buildroot}%{_libdir}/libdvdread.la %{buildroot}%{_pkgdocdir}/COPYING
 %files
 %license COPYING
 %doc AUTHORS NEWS README
-%{_libdir}/libdvdread.so.*
+%{_libdir}/libdvdread.so.%{abi}*
 
 %files devel
 %doc %{_pkgdocdir}/ChangeLog
@@ -54,6 +56,9 @@ rm %{buildroot}%{_libdir}/libdvdread.la %{buildroot}%{_pkgdocdir}/COPYING
 %{_libdir}/pkgconfig/dvdread.pc
 
 %changelog
+* Thu Nov 14 2019 Dominik Mierzejewski <rpm@greysector.net> 6.0.2-2
+- track ABI to avoid accidental bumps
+
 * Mon Oct 14 2019 Dominik Mierzejewski <rpm@greysector.net> 6.0.2-1
 - update to 6.0.2 (#1761254)
 - use new gpgverify macro