Merge to XFA: Remove relative includes.

That refer to parent directories.

TBR=dsinclair@chromium.org

Review URL: https://codereview.chromium.org/1434223002 .

(cherry picked from commit 22bc4227fbbda5a5e9abad2a2c0a98c04fe7f228)

Review URL: https://codereview.chromium.org/1439223003 .
diff --git a/fpdfsdk/src/javascript/Field.h b/fpdfsdk/src/javascript/Field.h
index 4899ee2..cd81795 100644
--- a/fpdfsdk/src/javascript/Field.h
+++ b/fpdfsdk/src/javascript/Field.h
@@ -9,8 +9,8 @@
 
 #include <string>  // For std::wstring.
 
-#include "../../include/pdfwindow/PWL_Wnd.h"  // For CPWL_Color.
 #include "JS_Define.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"  // For CPWL_Color.
 
 class CPDFSDK_Widget;
 class Document;