HACK/base: avoid recursion in TSD cleanup

Windows does not have the same semantics for the thread clean up when
using FLS (TLS does not support callbacks on destructor).  Simply wipe
out everything on attempt one.

Author: compnerd

CoreFoundation/Base.subproj/CFPlatform.c

@@ -678,14 +678,19 @@ static void __CFTSDFinalize(void *arg) {
             table->destructors[i]((void *)(old));
         }
     }
-    
+
+#if _POSIX_THREADS
     if (table->destructorCount == PTHREAD_DESTRUCTOR_ITERATIONS - 1) {    // On PTHREAD_DESTRUCTOR_ITERATIONS-1 call, destroy our data
         free(table);
 
         // Now if the destructor is called again we will take the shortcut at the beginning of this function.
         __CFTSDSetSpecific(CF_TSD_BAD_PTR);
         return;
     }
+#else
+    free(table);
+    __CFTSDSetSpecific(CF_TSD_BAD_PTR);
+#endif
 }
 
 #if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_EMBEDDED_MINI