Add a BUILD file for libjpeg and make it build

Change-Id: I59ee597477d63023a86c4fccd8be49e8d8ddebc0
diff --git a/third_party/libjpeg/jerror.c b/third_party/libjpeg/jerror.c
index 3da7be8..a44463c 100644
--- a/third_party/libjpeg/jerror.c
+++ b/third_party/libjpeg/jerror.c
@@ -23,6 +23,7 @@
 #include "jpeglib.h"
 #include "jversion.h"
 #include "jerror.h"
+#include <stdlib.h>
 
 #ifdef USE_WINDOWS_MESSAGEBOX
 #include <windows.h>