tests: Trim .nim files trailing whitespace

via OSX: find . -name '*.nim' -exec sed -i '' -E 's/[[:space:]]+$//' {} +

tests/threads/tactors2.nim

@@ -16,7 +16,7 @@ proc main() =
   createActorPool(actorPool, 1)
 
   var some_data: some_type
-  
+
   var inchannel = spawn(actorPool, some_data, thread_proc)
   var recv_data = ^inchannel
   close(inchannel[])

tests/threads/threadex.nim

@@ -32,7 +32,7 @@ proc produce() {.thread.} =
   close(input)
   m.k = mEof
   chan.send(m)
-  
+
 open(chan)
 createThread[void](consumer, consume)
 createThread[void](producer, produce)

tests/threads/tthreadanalysis.nim

@@ -36,9 +36,9 @@ proc echoLeTree(n: PNode) =
     echo it.data
     it = it.le
 
-proc threadFunc(interval: tuple[a, b: int]) {.thread.} = 
+proc threadFunc(interval: tuple[a, b: int]) {.thread.} =
   doNothing()
-  for i in interval.a..interval.b: 
+  for i in interval.a..interval.b:
     var r = buildTree(i)
     echoLeTree(r) # for local data
   echoLeTree(root) # and the same for foreign data :-)

tests/threads/tthreadanalysis2.nim

@@ -34,9 +34,9 @@ proc echoLeTree(n: PNode) =
     echo it.data
     it = it.le
 
-proc threadFunc(interval: tuple[a, b: int]) {.thread.} = 
+proc threadFunc(interval: tuple[a, b: int]) {.thread.} =
   doNothing()
-  for i in interval.a..interval.b: 
+  for i in interval.a..interval.b:
     var r = buildTree(i)
     echoLeTree(r) # for local data
   root = buildTree(2) # BAD!

tests/threads/tthreadheapviolation1.nim

@@ -4,7 +4,7 @@ discard """
   cmd: "nim $target --hints:on --threads:on $options $file"
 """
 
-var 
+var
   global: string = "test string"
   t: TThread[void]
 

tests/threads/ttryrecv.nim

@@ -31,5 +31,5 @@ while true:
 
 echo "Finished listening"
 
-joinThread(thr)                                                       
+joinThread(thr)
 close(chan)