ioquake3-rpi: set rpath to make this work ootb.

srcpkgs/ioquake3-rpi/template

@@ -1,7 +1,7 @@
 # Template file for 'ioquake3-rpi'
 pkgname=ioquake3-rpi
 version=20130506
-revision=1
+revision=2
 short_desc="ioquake3 for Raspberry Pi"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 license="GPL-2"
@@ -25,6 +25,7 @@ do_configure() {
 	sed -e "s,@XBPS_CROSS_TRIPLET@,${XBPS_CROSS_TRIPLET}-,g" \
 	    -e "s,/opt/vc,${XBPS_CROSS_BASE}/opt/vc,g" \
 	    -e "s,SDL_LIB=.*,SDL_LIB=${XBPS_CROSS_BASE}/usr/lib,g" \
+	    -e 's,-lSDL,-lSDL -Wl\,-R/opt/vc/lib,' \
 		-i build.sh
 
 	# Extract Patch Files