Accepting request 124357 from home:a_faerber:branches:Virtualization

- Set up bridge helper as a setuid executable

- Add patch for specifying --libexecdir
* Fixes having to specify the path to qemu-bridge-helper manually
- Drop superfluous `make qemu-img`
- Move qemu-bridge-helper to its own subpackage, to share with KVM

OBS-URL: https://build.opensuse.org/request/show/124357
OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=78

bridge.conf

@@ -0,0 +1,11 @@
+# Access control file for qemu bridge helper
+# Syntax consists of:
+#   # comment (ignored)
+#   allow all
+#   allow <bridge_name>
+#   deny all
+#   deny <bridge_name>
+#   include /path/to/additional/ACL/file
+# Users are blacklisted by default and 'deny' takes precedence over 'allow'.
+# Including additional ACL files allows file access permissions to be used as
+# a component of the policy to allow access or deny access to specific bridges.