Sanitizing source files in Skia_Periodic_House_Keeping

git-svn-id: http://skia.googlecode.com/svn/trunk@5635 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFDocument.cpp b/src/pdf/SkPDFDocument.cpp
index d47f1f3..7e064ee 100644
--- a/src/pdf/SkPDFDocument.cpp
+++ b/src/pdf/SkPDFDocument.cpp
@@ -75,7 +75,7 @@
     fPageTree.safeUnrefAll();
     fPageResources.safeUnrefAll();
     fSubstitutes.safeUnrefAll();
-    
+
     fDocCatalog->unref();
     SkSafeUnref(fTrailerDict);
 }