Move core/fpdfapi/fpdf_page/include to core/fpdfapi/fpdf_page

BUG=pdfium:611

Review-Url: https://codereview.chromium.org/2379033002
diff --git a/fpdfsdk/cba_annotiterator.cpp b/fpdfsdk/cba_annotiterator.cpp
index feca9fc..4b4a38d 100644
--- a/fpdfsdk/cba_annotiterator.cpp
+++ b/fpdfsdk/cba_annotiterator.cpp
@@ -6,7 +6,7 @@
 
 #include "fpdfsdk/include/cba_annotiterator.h"
 
-#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_page/cpdf_page.h"
 #include "fpdfsdk/include/cpdfsdk_annot.h"
 #include "fpdfsdk/include/cpdfsdk_pageview.h"