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/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp
index 72231eb..abe2a32 100644
--- a/fpdfsdk/src/fpdfdoc.cpp
+++ b/fpdfsdk/src/fpdfdoc.cpp
@@ -6,7 +6,7 @@
 
 #include "public/fpdf_doc.h"
 
-#include "../include/fsdk_define.h"
+#include "fpdfsdk/include/fsdk_define.h"
 
 namespace {