Use the correct location for ypdomainname (bnc#916031)

 * It's actually placed in /usr/bin for SLE12, openSUSE13.2 and Factory.
 * The old location works in SLE12 and 13.2 because there is still a
   symlink added for compatibility (that would be removed at some point)

src/modules/Nis.rb

@@ -908,10 +908,8 @@ def Read
       @multidomain_broadcast = {} if @multidomain_broadcast == nil
       @slp_domain = {} if @slp_domain == nil
 
-      out = Convert.to_map(
-        SCR.Execute(path(".target.bash_output"), "/bin/ypdomainname")
-      )
-      @domain = Builtins.deletechars(Ops.get_string(out, "stdout", ""), "\n")
+      out = SCR.Execute(path(".target.bash_output"), "/usr/bin/ypdomainname")
+      @domain = out["stdout"].strip
       @old_domain = @domain
 
       @dhcpcd_running = SCR.Execute(

testsuite/tests/readwrite.out

@@ -1,7 +1,7 @@
 Dump	no policy
 Read	.sysconfig.network.config.NETCONFIG_NIS_POLICY ""
 Dir	.sysconfig.network.config: ["NETCONFIG_NIS_POLICY"]
-Execute	.target.bash_output "/bin/ypdomainname" $["exit":0, "stderr":"", "stdout":"mydomain\n"]
+Execute	.target.bash_output "/usr/bin/ypdomainname" $["exit":0, "stderr":"", "stdout":"mydomain\n"]
 Execute	.target.bash "ls /var/run/dhcpcd-*.pid" 0
 Read	.sysconfig.ypbind.YPBIND_LOCAL_ONLY "no"
 Read	.sysconfig.ypbind.YPBIND_BROADCAST "no"
@@ -27,7 +27,7 @@ Return	true
 Dump	auto policy
 Read	.sysconfig.network.config.NETCONFIG_NIS_POLICY "auto"
 Dir	.sysconfig.network.config: ["NETCONFIG_NIS_POLICY"]
-Execute	.target.bash_output "/bin/ypdomainname" $["exit":0, "stderr":"", "stdout":"mydomain\n"]
+Execute	.target.bash_output "/usr/bin/ypdomainname" $["exit":0, "stderr":"", "stdout":"mydomain\n"]
 Execute	.target.bash "ls /var/run/dhcpcd-*.pid" 0
 Read	.sysconfig.ypbind.YPBIND_LOCAL_ONLY "no"
 Read	.sysconfig.ypbind.YPBIND_BROADCAST "no"