HLSL: Turn on reflection, with basic test file, to catch regressions.

This is not a claim that reflection is working right, only a way to
see it is occurring and catch any regression.
diff --git a/Test/runtests b/Test/runtests
index 5e777a8..1851338 100755
--- a/Test/runtests
+++ b/Test/runtests
@@ -31,6 +31,8 @@
 echo Running reflection...
 $EXE -l -q -C reflection.vert > $TARGETDIR/reflection.vert.out
 diff -b $BASEDIR/reflection.vert.out $TARGETDIR/reflection.vert.out || HASERROR=1
+$EXE -D -e flizv -l -q -C -V hlsl.reflection.vert > $TARGETDIR/hlsl.reflection.vert.out
+diff -b $BASEDIR/hlsl.reflection.vert.out $TARGETDIR/hlsl.reflection.vert.out || HASERROR=1
 
 #
 # multi-threaded test