Merge pull request #3735 from oderwat/FixDeprecationWarnings

Fixed deprecation warnings while Nim compiles.

compiler/msgs.nim

@@ -828,7 +828,7 @@ proc quit(msg: TMsgKind) =
 proc log*(s: string) {.procvar.} =
   var f: File
   if open(f, "nimsuggest.log", fmAppend):
-    f.writeln(s)
+    f.writeLine(s)
     close(f)
 
 proc handleError(msg: TMsgKind, eh: TErrorHandling, s: string) =

compiler/vm.nim

@@ -15,7 +15,7 @@ const debugEchoCode = false
 import ast except getstr
 
 import
-  strutils, astalgo, msgs, vmdef, vmgen, nimsets, types, passes, unsigned,
+  strutils, astalgo, msgs, vmdef, vmgen, nimsets, types, passes,
   parser, vmdeps, idents, trees, renderer, options, transf, parseutils,
   vmmarshal
 

compiler/vmgen.nim

@@ -28,7 +28,7 @@
 # this copy depends on the involved types.
 
 import
-  unsigned, strutils, ast, astalgo, types, msgs, renderer, vmdef,
+  strutils, ast, astalgo, types, msgs, renderer, vmdef,
   trees, intsets, rodread, magicsys, options, lowerings
 
 from os import splitFile