fix regress... SPARC_FS may not be in the builds so check for it

--HG--
extra : convert_revision : 16710e4c44bd34496ed31ae8e954544b06e92589

util/regress

@@ -88,7 +88,7 @@ try:
     else:
         # Ugly! Since we don't have any quick SPARC_FS tests remove the SPARC_FS target
         # If we ever get a quick SPARC_FS test, this code should be removed
-        if 'quick' in tests:
+        if 'quick' in tests and 'SPARC_FS' in builds:
             builds.remove('SPARC_FS')
 	targets = ['build/%s/tests/%s/%s' % (build, variant, test)
 		   for build in builds