python-sipsimple: Add patch to fix build with GCC 10

packages/dev-python/python-sipsimple/files/python-sipsimple-gcc10-fix.patch

@@ -0,0 +1,25 @@
+Upstream: Submitted
+Source: https://github.com/AGProjects/python-sipsimple/pull/10
+
+From 052f7301a0c906c4117dff5453222f12e768bb49 Mon Sep 17 00:00:00 2001
+From: Tom Briden <tom@decompile.me.uk>
+Date: Thu, 23 Jul 2020 19:22:30 +0100
+Subject: [PATCH] Fix multiple definition of `PJ_ATTR_MAY_ALIAS' with GCC-10
+
+---
+ deps/pjsip/pjlib/include/pj/list.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/deps/pjsip/pjlib/include/pj/list.h b/deps/pjsip/pjlib/include/pj/list.h
+index 880f58d4..50510fe3 100644
+--- a/deps/pjsip/pjlib/include/pj/list.h
++++ b/deps/pjsip/pjlib/include/pj/list.h
+@@ -71,7 +71,7 @@ PJ_BEGIN_DECL
+  * must initialize the 'value' member to an appropriate value (typically the
+  * owner itself).
+  */
+-struct pj_list
++extern struct pj_list
+ {
+     PJ_DECL_LIST_MEMBER(void);
+ } PJ_ATTR_MAY_ALIAS; /* may_alias avoids warning with gcc-4.4 -Wall -O2 */

packages/dev-python/python-sipsimple/python-sipsimple-3.4.2-r1.exheres-0

@@ -50,6 +50,7 @@ DEPENDENCIES="
 DEFAULT_SRC_PREPARE_PATCHES=(
     "${FILES}"/${PNV}-fix-build.patch
     "${FILES}"/0001-Fix-build-with-LibreSSL-2.7.patch
+    "${FILES}"/${PN}-gcc10-fix.patch
 )
 
 src_compile() {