attempt to make some tests green

tests/manyloc/argument_parser/argument_parser.nim

@@ -292,9 +292,9 @@ proc parse_parameter(quit_on_failure: bool, param, value: string,
       raise_or_quit(EInvalidValue, ("parameter $1 requires a " &
         "float, but $2 can't be parsed into one") % [param, escape(value)])
   of PK_EMPTY:
-    nil
+    discard
   of PK_HELP:
-    nil
+    discard
 
 
 template build_specification_lookup():

tests/manyloc/keineschweine/lib/estreams.nim

@@ -7,10 +7,6 @@ proc swapEndian16*(outp, inp: pointer) =
   var o = cast[cstring](outp)
   o[0] = i[1]
   o[1] = i[0]
-when cpuEndian == bigEndian:
-  proc bigEndian16(outp, inp: pointer) {.inline.} = copyMem(outp, inp, 2)
-else:
-  proc bigEndian16*(outp, inp: pointer) {.inline.} = swapEndian16(outp, inp)
 
 import enet
 

tests/manyloc/nake/nake.nim

@@ -74,7 +74,7 @@ else:
           echo "Unknown option: ", key, ": ", val
       of cmdArgument:
         task = key
-      else: nil
+      else: discard
     if printTaskList or task.isNil or not(tasks.hasKey(task)):
       echo "Available tasks:"
       for name, task in pairs(tasks):