spreed-webrtc: fix uuid fuckup

ref: https://github.com/satori/go.uuid/issues/66

srcpkgs/spreed-webrtc/patches/fix-uuid-newv4.patch

@@ -0,0 +1,12 @@
+--- ./go/channelling/server/users.go.orig	2018-01-15 14:20:19.997694620 +0100
++++ ./go/channelling/server/users.go	2018-01-15 14:20:41.151902026 +0100
+@@ -456,7 +456,8 @@ func (users *Users) Post(request *http.R
+ 	}
+ 
+ 	// Do this before session validation to avoid timing information.
+-	userid := fmt.Sprintf("%s@%s", uuid.NewV4().String(), users.realm)
++	tmpUuid, _ := uuid.NewV4()
++	userid := fmt.Sprintf("%s@%s", tmpUuid.String(), users.realm)
+ 
+ 	// Make sure Sid matches session and is valid.
+ 	if !users.ValidateSession(snr.Id, snr.Sid) {

srcpkgs/spreed-webrtc/template

@@ -1,7 +1,7 @@
 # Template file for 'spreed-webrtc'
 pkgname=spreed-webrtc
 version=0.29.7
-revision=2
+revision=3
 build_style=go
 go_import_path="github.com/strukturag/spreed-webrtc"
 go_package="${go_import_path}/src/app/spreed-webrtc-server"