vagrant: upgrade osxfuse to 3.5.2

Vagrantfile

@@ -60,10 +60,10 @@ def packages_darwin
   return <<-EOF
     # install all the (security and other) updates
     sudo softwareupdate --install --all
-    # get osxfuse 3.x pre-release code from github:
-    curl -s -L https://github.com/osxfuse/osxfuse/releases/download/osxfuse-3.5.1/osxfuse-3.5.1.dmg >osxfuse.dmg
+    # get osxfuse 3.x release code from github:
+    curl -s -L https://github.com/osxfuse/osxfuse/releases/download/osxfuse-3.5.2/osxfuse-3.5.2.dmg >osxfuse.dmg
     MOUNTDIR=$(echo `hdiutil mount osxfuse.dmg | tail -1 | awk '{$1="" ; print $0}'` | xargs -0 echo) \
-    && sudo installer -pkg "${MOUNTDIR}/Extras/FUSE for macOS 3.5.1.pkg" -target /
+    && sudo installer -pkg "${MOUNTDIR}/Extras/FUSE for macOS 3.5.2.pkg" -target /
     sudo chown -R vagrant /usr/local  # brew must be able to create stuff here
     ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
     brew update