roadmap: minor updates

0.3_roadmap.txt

@@ -4,7 +4,7 @@
 - make `-autofree` the default
 - coroutines
 + channels
-- lock{}
++ lock{}
 - thread safe arrays/maps
 - C2V translator
 - doom.v
@@ -18,6 +18,7 @@
 - interfaces: allow struct fields (not just methods)
 - vfmt: fix common errors automatically to save time (make vars mutable and vice versa, add missing imports etc)
 - method expressions with an explicit receiver as the first argument
-- fix all remaining generics issues (`foo(5)` instead of `foo<int>(5)` etc)
++ short generics syntax (`foo(5)` instead of `foo<int>(5)`)
+- fix all remaining generics issues
 - merge v.c and v_win.c
 - more advanced errors, not just `error('message')`