mlt: fix building with glibc-2.26

srcpkgs/mlt/patches/glibc-2.26.patch

@@ -0,0 +1,15 @@
+--- src/framework/mlt_property.h.orig	2017-08-30 13:55:55.676748750 +0200
++++ src/framework/mlt_property.h	2017-08-30 13:59:27.660276105 +0200
+@@ -31,7 +31,11 @@
+ #endif
+ 
+ #if defined(__GLIBC__) || defined(__DARWIN__) || (__FreeBSD_version >= 900506)
+-#include <xlocale.h>
++#  if __GLIBC_MINOR__ >= 26 && !defined(__APPLE__)
++#    include <locale.h>
++#  else  
++#    include <xlocale.h>
++#  endif
+ #else
+ #include <locale.h>
+ #endif

srcpkgs/mlt/patches/series

@@ -0,0 +1,3 @@
+mlt-0.9.8-ffmpeg3.patch
+musl-locale.patch
+glibc-2.26.patch

srcpkgs/mlt/template

@@ -1,7 +1,7 @@
 # Template file for 'mlt'
 pkgname=mlt
 version=0.9.8
-revision=6
+revision=7
 build_style=gnu-configure
 configure_args="--enable-gpl --enable-gpl3 --disable-swfdec --without-kde
  --swig-languages=python"