libcmis: fix build with gcc9

srcpkgs/libcmis/patches/no-include-cxx-headers-from-extern-c.patch

@@ -0,0 +1,19 @@
+FTBFS: /usr/include/c++/9.2/memory:146:1: error: template with C linkage
+
+--- inc/libcmis-c/repository.h
++++ inc/libcmis-c/repository.h
+@@ -28,12 +28,12 @@
+ #ifndef _REPOSITORY_H_
+ #define _REPOSITORY_H_
+ 
++#include <libxml/tree.h>
++
+ #ifdef __cplusplus
+ extern "C" {
+ #endif
+ 
+-#include <libxml/tree.h>
+-
+ #include "libcmis-c/libcmis-c-api.h"
+ #include "libcmis-c/types.h"
+ 

srcpkgs/libcmis/template

@@ -1,7 +1,7 @@
 # Template file for 'libcmis'
 pkgname=libcmis
 version=0.5.2
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="DOCBOOK2MAN=docbook2man --disable-werror"
 hostmakedepends="pkg-config docbook2x"