Remove trailing whitespaces in fpdfsdk, XFA edition.

Review URL: https://codereview.chromium.org/1185843005.
diff --git a/fpdfsdk/src/fpdfeditpage.cpp b/fpdfsdk/src/fpdfeditpage.cpp
index 205d0a0..d1068ae 100644
--- a/fpdfsdk/src/fpdfeditpage.cpp
+++ b/fpdfsdk/src/fpdfeditpage.cpp
@@ -1,7 +1,7 @@
 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
- 
+
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "../../public/fpdf_edit.h"
@@ -57,9 +57,9 @@
 DLLEXPORT void STDCALL FPDFPage_Delete(FPDF_DOCUMENT document, int page_index)
 {
 	CPDF_Document* pDoc = ((CPDFXFA_Document*)document)->GetPDFDoc();
-	if (pDoc == NULL) 
+	if (pDoc == NULL)
 		return;
-	if (page_index < 0 || page_index >= pDoc->GetPageCount()) 
+	if (page_index < 0 || page_index >= pDoc->GetPageCount())
 		return;
 
 	pDoc->DeletePage(page_index);
@@ -76,7 +76,7 @@
 		page_index = 0;
 	if(pDoc->GetPageCount()<page_index)
 		page_index = pDoc->GetPageCount();
-//	if (page_index < 0 || page_index >= pDoc->GetPageCount()) 
+//	if (page_index < 0 || page_index >= pDoc->GetPageCount())
 //		return NULL;
 
 	CPDF_Dictionary* pPageDict = pDoc->CreateNewPage(page_index);
@@ -140,7 +140,7 @@
 	{
 		return -1;
 	}
-	
+
 	return rotate;
 }
 
@@ -279,7 +279,7 @@
 }
 
 DLLEXPORT void STDCALL FPDFPageObj_Transform(FPDF_PAGEOBJECT page_object,
-			 double a, double b, double c, double d, double e, double f)  
+			 double a, double b, double c, double d, double e, double f)
 {
 	CPDF_PageObject* pPageObj = (CPDF_PageObject*)page_object;
 	if(pPageObj == NULL)