set group of /var/cache/man to root and drop setgid bit

- resolves: #1515823

man-db-2.7.6.1-change-owner-of-man-cache.patch

@@ -13,7 +13,7 @@ index 1eb40ce..21936d5 100644
 +++ b/init/systemd/man-db.conf
 @@ -1 +1 @@
 -d /var/cache/man 0755 man man 1w
-+d /var/cache/man 0755 root man 1w
++d /var/cache/man 0755 root root 1w
 -- 
 2.7.4
 

man-db.spec

@@ -4,7 +4,7 @@
 Summary: Tools for searching and reading man pages
 Name: man-db
 Version: 2.7.6.1
-Release: 7%{?dist}
+Release: 8%{?dist}
 # GPLv2+ .. man-db
 # GPLv3+ .. gnulib
 License: GPLv2+ and GPLv3+
@@ -57,7 +57,7 @@ This package provides periodic update of man-db cache.
 %build
 %configure \
     --with-sections="1 1p 8 2 3 3p 4 5 6 7 9 0p n l p o 1x 2x 3x 4x 5x 6x 7x 8x" \
-    --disable-setuid --enable-cache-owner=root \
+    --disable-setuid --disable-cache-owner \
     --with-browser=elinks --with-lzip=lzip \
     --with-override-dir=overrides
 make CC="%{__cc} %{optflags}" %{?_smp_mflags} V=1
@@ -144,7 +144,7 @@ fi
 %{_libexecdir}/man-db/globbing
 %{_libexecdir}/man-db/manconv
 %{_libexecdir}/man-db/zsoelim
-%attr(2755,root,man) %verify(not mtime) %dir %{cache}
+%verify(not mtime) %dir %{cache}
 # documentation and translation
 %{_mandir}/man1/apropos.1*
 %{_mandir}/man1/lexgrog.1*
@@ -174,6 +174,10 @@ fi
 %config(noreplace) %{_sysconfdir}/sysconfig/man-db
 
 %changelog
+* Tue Nov 21 2017 Nikola Forró <nforro@redhat.com> - 2.7.6.1-8
+- set group of /var/cache/man to root and drop setgid bit
+  resolves: #1515823
+
 * Thu Nov 16 2017 Nikola Forró <nforro@redhat.com> - 2.7.6.1-7
 - make file trigger scriptlets not to fail in case systemd is unavailable
 - drop systemd dependency