tests: fix root capabilities test-case

Problem reported by Ondřej Dubaj!

https://src.fedoraproject.org/rpms/tar/pull-request/8

tar-1.33-fix-capabilities-test.patch

@@ -0,0 +1,39 @@
+From: Pavel Raiskup <praiskup@redhat.com>
+Date: Tue, 19 Jan 2021 16:45:23 +0100
+Subject: [PATCH] xattrs: fix capabilities root test
+
+Related discussion in the Fedora pull-request:
+https://src.fedoraproject.org/rpms/tar/pull-request/8
+
+Upstream report:
+https://www.mail-archive.com/bug-tar@gnu.org/msg05943.html
+
+* tests/capabs_raw01.at: Newer systems (currently e.g. Fedora 34)
+print getcap output in format CAP=VAL, not CAP+VAL.
+---
+ tests/capabs_raw01.at | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/tests/capabs_raw01.at b/tests/capabs_raw01.at
+index f9b97736..988251cf 100644
+--- a/tests/capabs_raw01.at
++++ b/tests/capabs_raw01.at
+@@ -44,10 +44,13 @@ rm -rf dir
+ # restore _all_ xattrs (not just the user.* domain)
+ tar --xattrs --xattrs-include='*' -xf archive.tar
+ 
+-getcap dir/file
++# Newer systems switched to different format:
++# - dir/file = cap_chown+ei
++# + dir/file cap_chown=ei
++getcap dir/file | sed -e 's/+/=/' -e 's|dir/file = |dir/file |'
+ ],
+ [0],
+-[dir/file = cap_chown+ei
++[dir/file cap_chown=ei
+ ])
+ 
+ AT_CLEANUP
+-- 
+2.29.2
+

tar.spec

@@ -18,6 +18,7 @@ Patch2:  tar-1.28-vfatTruncate.patch
 Patch3:  tar-1.29-wildcards.patch
 Patch4:  tar-1.28-atime-rofs.patch
 Patch9:  tar-1.28-document-exclude-mistakes.patch
+Patch10: tar-1.33-fix-capabilities-test.patch
 
 BuildRequires: make
 BuildRequires:  gcc