tests: Trim .nim files trailing whitespace

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

tests/procvar/tprocvar.nim

@@ -13,6 +13,6 @@ proc huh(x, y: var int) =
 
 proc so(c: TCallback) =
   c(2, 4)
-  
+
 so(huh)
 

tests/procvar/tprocvar2.nim

@@ -2,7 +2,7 @@ discard """
   file: "tprocvar.nim"
   output: "papbpcpdpe7"
 """
-# test variables of type proc
+# test variables of type proc
 
 proc pa() {.cdecl.} = write(stdout, "pa")
 proc pb() {.cdecl.} = write(stdout, "pb")
@@ -12,21 +12,21 @@ proc pe() {.cdecl.} = write(stdout, "pe")
 
 const
   algos = [pa, pb, pc, pd, pe]
-
-var
-  x: proc (a, b: int): int {.cdecl.}
-
-proc ha(c, d: int): int {.cdecl.} =
-  echo(c + d)
-  result = c + d
+
+var
+  x: proc (a, b: int): int {.cdecl.}
+
+proc ha(c, d: int): int {.cdecl.} =
+  echo(c + d)
+  result = c + d
 
 for a in items(algos):
   a()
-
-x = ha
-discard x(3, 4)
-
-#OUT papbpcpdpe7
-
+
+x = ha
+discard x(3, 4)
+
+#OUT papbpcpdpe7
+