C variables are created in their enclosing block instead of their enclosing function

compiler/ccgthreadvars.nim

@@ -10,6 +10,8 @@
 ## Thread var support for crappy architectures that lack native support for 
 ## thread local storage. (**Thank you Mac OS X!**)
 
+# included from cgen.nim
+
 proc emulatedThreadVars(): bool {.inline.} =
   result = {optThreads, optTlsEmulation} <= gGlobalOptions
 
@@ -17,7 +19,7 @@ proc AccessThreadLocalVar(p: BProc, s: PSym) =
   if emulatedThreadVars() and not p.ThreadVarAccessed:
     p.ThreadVarAccessed = true
     p.module.usesThreadVars = true
-    appf(p.s[cpsLocals], "NimThreadVars* NimTV;$n")
+    appf(p.s(cpsLocals), "NimThreadVars* NimTV;$n")
     appcg(p, cpsInit, "NimTV=(NimThreadVars*)#GetThreadLocalVars();$n")
 
 var