Add va_end to TF_Log
diff --git a/tensorflow/c/logging.cc b/tensorflow/c/logging.cc
index bf6bf06..13c9e6a 100644
--- a/tensorflow/c/logging.cc
+++ b/tensorflow/c/logging.cc
@@ -28,6 +28,7 @@
   va_list args;
   va_start(args, fmt);
   auto message = BuildMessage(fmt, args);
+  va_end(args);
   switch (level) {
     case TF_INFO:
       LOG(INFO) << message;
@@ -48,6 +49,7 @@
   va_list args;
   va_start(args, fmt);
   auto message = BuildMessage(fmt, args);
+  va_end(args);
   VLOG(level) << message;
 }
 
@@ -55,5 +57,6 @@
   va_list args;
   va_start(args, fmt);
   auto message = BuildMessage(fmt, args);
+  va_end(args);
   DVLOG(level) << message;
 }