steam: only preload lib{ssl,crypto} if nvidia is not installed.

This is the only workaround that I've found so far to make this work
with mesa and nvidia.

srcpkgs/steam/patches/void.patch

@@ -0,0 +1,16 @@
+--- steam.orig	2016-02-16 08:28:31.191216344 +0100
++++ steam	2016-02-16 08:30:59.849711436 +0100
+@@ -183,6 +183,13 @@ if ! check_bootstrap "$LAUNCHSTEAMDIR";
+ 	exit 1
+ fi
+ 
++# --*-- void --*--
++if ! xbps-uhelper version nvidia &>/dev/null; then
++	STEAM_RUNTIME=${DEFAULTSTEAMDIR}/ubuntu12_32/steam-runtime
++	export LD_PRELOAD="$STEAM_RUNTIME/i386/lib/i386-linux-gnu/libcrypto.so.1.0.0:$STEAM_RUNTIME/i386/lib/i386-linux-gnu/libssl.so.1.0.0"
++fi
++# --*-- void --*--
++
+ # 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=1.0.0.51
-revision=4
+revision=5
 wrksrc=steam
 depends="zenity xterm xz curl dbus freetype gdk-pixbuf hicolor-icon-theme desktop-file-utils liberation-fonts-ttf"
 repository="nonfree"