kill HAVE_LOCALTIME_R

Bug: 18361583
Change-Id: Icdc745a5204bba26c6438d16ed38ec791e136163
diff --git a/liblog/log_time.cpp b/liblog/log_time.cpp
index 755c2d9..209a9da 100644
--- a/liblog/log_time.cpp
+++ b/liblog/log_time.cpp
@@ -39,7 +39,7 @@
 #endif
 
     struct tm *ptm;
-#if (defined(HAVE_LOCALTIME_R))
+#if !defined(_WIN32)
     struct tm tmBuf;
     ptm = localtime_r(&now, &tmBuf);
 #else
@@ -78,7 +78,7 @@
                 ++ret;
             }
             now = tv_sec;
-#if (defined(HAVE_LOCALTIME_R))
+#if !defined(_WIN32)
             ptm = localtime_r(&now, &tmBuf);
 #else
             ptm = localtime(&now);