steam: preload openssl from ubuntu bootstrap (close #1115).

This makes steam work again in void, due to libressl.

srcpkgs/steam/patches/steam-use-openssl.patch

@@ -0,0 +1,16 @@
+--- steam.orig	2015-03-22 11:22:16.000197500 +0100
++++ steam	2015-03-22 11:23:10.780279019 +0100
+@@ -183,6 +183,13 @@ if ! check_bootstrap "$LAUNCHSTEAMDIR";
+ 	exit 1
+ fi
+ 
++# -- void --
++# Preload lib{crypto,ssl} from openssl, our libressl seems to be incompatible.
++# -- void --
++STEAM32_BSTRAP=${DEFAULTSTEAMDIR}/ubuntu12_32/steam-runtime/i386/lib/i386-linux-gnu
++STEAM64_BSTRAP=${DEFAULTSTEAMDIR}/ubuntu12_32/steam-runtime/amd64/lib/x86_64-linux-gnu
++export LD_PRELOAD="$STEAM32_BSTRAP/libcrypto.so.1.0.0:$STEAM32_BSTRAP/libssl.so.1.0.0"
++
+ # go to the install directory and run the client
+ cp "$LAUNCHSTEAMBOOTSTRAPFILE" "$LAUNCHSTEAMDIR/bootstrap.tar.xz"
+ cd "$LAUNCHSTEAMDIR"

srcpkgs/steam/template

@@ -4,7 +4,7 @@ only_for_archs="i686 x86_64"
 
 pkgname=steam
 version=1.0.0.49
-revision=1
+revision=2
 wrksrc=steam
 depends="curl dbus freetype gdk-pixbuf hicolor-icon-theme desktop-file-utils liberation-fonts-ttf"
 repository="nonfree"