fish: Fix help url

packages/fish/share-functions-help.fish.patch

@@ -0,0 +1,12 @@
+diff -u -r ../fish-shell-master/share/functions/help.fish ./share/functions/help.fish
+--- ../fish-shell-master/share/functions/help.fish	2016-03-12 15:26:01.000000000 -0500
++++ ./share/functions/help.fish	2016-03-14 12:08:13.804718800 -0400
+@@ -125,7 +125,7 @@
+ 		end
+ 	else
+ 		# Go to the web. Only include one dot in the version string
+-		set -l version_string (echo $FISH_VERSION| cut -d . -f 1,2)
++		set -l version_string current # Termux: We're building from git master for now.
+ 		set page_url http://fishshell.com/docs/$version_string/$fish_help_page
+ 	end
+