Update to ncurses-6.0

Change-Id: I98ab2ea8a5e13cca9f8b7cf6277b9b14a4da4299
diff --git a/test/widechars-utf8.txt b/test/widechars-utf8.txt
new file mode 100644
index 0000000..43ecd0f
--- /dev/null
+++ b/test/widechars-utf8.txt
@@ -0,0 +1,7 @@
+APPLE     -- It's an APPLE.
+DOG         -- No, that's not my DOG.
+ORANGE   -- Yeah, that's JUICY.
+CHICKEN -- Normally not a PET.
+CAT         -- No, never put a DOG and a CAT together!
+FISH       -- Cats like FISH.
+LEMON     -- You KNOW how it TASTES.