Fix build with boost 1.71

Details:
- Backport upstream change to resolve namespace lookup issue with
  mkvtoolnix's split function and upcoming boost release, see
  https://gitlab.com/mbunkus/mkvtoolnix/issues/2599

PR:		239196
Reported by:	jbeich

1 files changed, 11 insertions, 0 deletions

diff --git a/multimedia/mkvtoolnix/files/patch-src_common_strings_editing.h b/multimedia/mkvtoolnix/files/patch-src_common_strings_editing.h
new file mode 100644
index 000000000000..46f2d2be90ff
--- /dev/null
+++ b/multimedia/mkvtoolnix/files/patch-src_common_strings_editing.h
@@ -0,0 +1,11 @@
+--- src/common/strings/editing.h.orig	2019-06-22 10:06:04 UTC
++++ src/common/strings/editing.h
+@@ -29,7 +29,7 @@ inline std::vector<std::string>
+ split(std::string const &text,
+       std::string const &pattern = ",",
+       size_t max = 0) {
+-  return split(text, boost::regex("\\Q"s + pattern, boost::regex::perl), max);
++  return ::split(text, boost::regex("\\Q"s + pattern, boost::regex::perl), max);
+ }
+ 
+ void strip(std::string &s, bool newlines = false);