Merge to XFA: Fix all relative includes to public.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1415803007 .

(cherry picked from commit 5899671184d01b74989d181363066379ef3e4051)

Review URL: https://codereview.chromium.org/1431593007 .
diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index 8a4d619..72231eb 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -4,7 +4,8 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "../../public/fpdf_doc.h"
+#include "public/fpdf_doc.h"
+
 #include "../include/fsdk_define.h"
 
 namespace {