vulkan: Initial Vulkan support!

This work was done by Jacob Lifshay and Mark Callow; I'm just merging it
into revision control.

test/Makefile.in

@@ -66,6 +66,7 @@ TARGETS = \
 	testdisplayinfo$(EXE) \
 	testqsort$(EXE) \
 	controllermap$(EXE) \
+	testvulkan$(EXE) \
 	
 all: Makefile $(TARGETS) copydatafiles
 
@@ -289,6 +290,9 @@ testcustomcursor$(EXE): $(srcdir)/testcustomcursor.c
 controllermap$(EXE): $(srcdir)/controllermap.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
 
+testvulkan$(EXE): $(srcdir)/testvulkan.c
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
 
 clean:
 	rm -f $(TARGETS)