meson: Fix yelp helper when install file and symlink fallback

mingw-w64-meson/0004-fix-copying-file-when-fallback-from-symlink.patch

@@ -0,0 +1,10 @@
+--- meson-0.50.1/mesonbuild/scripts/yelphelper.py.orig	2019-06-02 14:12:32.194759700 +0300
++++ meson-0.50.1/mesonbuild/scripts/yelphelper.py	2019-06-02 14:20:29.403054400 +0300
+@@ -90,6 +90,7 @@
+                             os.symlink(srcfile, outfile)
+                         continue
+                     except (NotImplementedError, OSError):
++                        infile = srcfile
+                         mlog.warning('Symlinking not supported, falling back to copying')
+                 else:
+                     # Lang doesn't have media file so copy it over 'C' one

mingw-w64-meson/PKGBUILD

@@ -4,7 +4,7 @@ _realname=meson
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=0.50.1
-pkgrel=2
+pkgrel=3
 pkgdesc="High-productivity build system (mingw-w64)"
 arch=('any')
 url="http://mesonbuild.com/"
@@ -17,12 +17,14 @@ source=("https://github.com/mesonbuild/${_realname}/releases/download/${pkgver}/
         'color-term.patch'
         '0002-Default-to-sys.prefix-as-the-default-prefix.patch'
         '0003-Strip-the-prefix-from-all-paths-when-installing-with.patch'
+        '0004-fix-copying-file-when-fallback-from-symlink.patch'
         'install-man.patch'
         '0001-hacky-fix-for-splitting-paths-in-get_compiler_dirs.patch')
 sha256sums=('f68f56d60c80a77df8fc08fa1016bc5831605d4717b622c96212573271e14ecc'
             '5805aed0a117536eb16dd8eef978c6be57c2471b655ede63e25517c28b4f4cf0'
             '4ef1e6fb0e9bd927b4646e416631b8a0a9aece763d259dbba58168bcba93f673'
             '2093c617cf3146a4cea601e7c73400d8ec5fd52ac5cf642c4f5af2d6493b1cb1'
+            'c95ecab95aba294e5e37f5b849d6d07769f9150db968b0c9320dc2d1b93e87a4'
             '0682a36cb75e545a78b81293303835a16171f25baf949905dc08029436efff84'
             '6c19a8e03df1fc24e12799c456675abd3bf8a0be3e80c0f7b49db0c32e5ae318')
 
@@ -32,6 +34,7 @@ prepare() {
   patch -Np1 -i "${srcdir}"/color-term.patch
   patch -Np1 -i "${srcdir}"/0002-Default-to-sys.prefix-as-the-default-prefix.patch
   patch -Np1 -i "${srcdir}"/0003-Strip-the-prefix-from-all-paths-when-installing-with.patch
+  patch -Np1 -i "${srcdir}"/0004-fix-copying-file-when-fallback-from-symlink.patch
   patch -Np1 -i "${srcdir}"/install-man.patch
   # https://github.com/mesonbuild/meson/issues/5386
   patch -Np1 -i "${srcdir}"/0001-hacky-fix-for-splitting-paths-in-get_compiler_dirs.patch