Be explicit in REQUIRE.

traktofon · traktofon · commit 4fab09c25e9c · 2018-08-28T15:34:06.000+01:00
diff --git a/REQUIRE b/REQUIRE
@@ -1,2 +1,2 @@
-julia 0.6
+julia 0.6 2-
 Compat 0.66
