atomics: Follow up to r1909321: Windows does not use 64bit generic atomics.

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1909324 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/atomic/win32/apr_atomic.c b/atomic/win32/apr_atomic.c
index c349ad9..0a99735 100644
--- a/atomic/win32/apr_atomic.c
+++ b/atomic/win32/apr_atomic.c
@@ -18,11 +18,7 @@
 
 APR_DECLARE(apr_status_t) apr_atomic_init(apr_pool_t *p)
 {
-#if defined(USE_ATOMICS_GENERIC64)
-    return apr__atomic_generic64_init(p);
-#else
     return APR_SUCCESS;
-#endif
 }
 
 APR_DECLARE(apr_uint32_t) apr_atomic_add32(volatile apr_uint32_t *mem, apr_uint32_t val)