py-rt: Backport upstream patch to fix search() Format='s' and Format='i'

At least on RT 4 blank lines can be present at the end of the search response,
backport upstream commit bb07009c4f62dd2ac393aab82fded6424eead82f to address
that.

Bump PKGREVISION

net/py-rt/Makefile

@@ -1,7 +1,8 @@
-# $NetBSD: Makefile,v 1.1 2018/09/15 10:53:31 leot Exp $
+# $NetBSD: Makefile,v 1.2 2019/06/09 13:57:27 leot Exp $
 
 DISTNAME=	rt-1.0.11
 PKGNAME=	${PYPKGPREFIX}-${DISTNAME}
+PKGREVISION=	1
 CATEGORIES=	net python
 MASTER_SITES=	${MASTER_SITE_PYPI:=r/rt/}
 

net/py-rt/distinfo

@@ -1,6 +1,7 @@
-$NetBSD: distinfo,v 1.1 2018/09/15 10:53:31 leot Exp $
+$NetBSD: distinfo,v 1.2 2019/06/09 13:57:27 leot Exp $
 
 SHA1 (py-rt/rt-1.0.11.tar.gz) = 2a919c9df7a7aec75aa9f1f19df9fbc81341e784
 RMD160 (py-rt/rt-1.0.11.tar.gz) = cd0ee2929ede3c878e21bf0750e4fe262550ded5
 SHA512 (py-rt/rt-1.0.11.tar.gz) = 00007710d152472bf25e656b6298502e0b571932c8c3f4c498074fe7a849d575fd2deaad91a4814a7aece4dbfa847c913045e927830a8e0a02d3d13876562696
 Size (py-rt/rt-1.0.11.tar.gz) = 35084 bytes
+SHA1 (patch-rt.py) = a1180f06f39e1dba6fca86205755549c34d6b8b8

net/py-rt/patches/patch-rt.py

@@ -0,0 +1,29 @@
+$NetBSD: patch-rt.py,v 1.1 2019/06/09 13:57:27 leot Exp $
+
+Backport upstream commit bb07009c4f62dd2ac393aab82fded6424eead82f
+to ignore ignore possible empty lines.
+
+--- rt.py.orig	2018-07-16 12:47:27.000000000 +0000
++++ rt.py
+@@ -518,15 +518,19 @@ class Rt:
+             return items
+         elif Format == 's':
+             items = []
+-            msgs = msg.splitlines()[2:]
++            msgs = lines[2:]
+             for msg in msgs:
++                if "" == msg: # Ignore blank line at the end
++                   continue
+                 ticket_id, subject = msg.split(': ', 1)
+                 items.append({'id': 'ticket/' + ticket_id, 'Subject': subject})
+             return items
+         elif Format == 'i':
+             items = []
+-            msgs = msg.splitlines()[2:]
++            msgs = lines[2:]
+             for msg in msgs:
++                if "" == msg: # Ignore blank line at the end
++                   continue
+                 _, ticket_id = msg.split('/', 1)
+                 items.append({'id': 'ticket/' + ticket_id})
+             return items