Sanitizing source files in Skia_Periodic_House_Keeping

git-svn-id: http://skia.googlecode.com/svn/trunk@8003 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFGraphicState.cpp b/src/pdf/SkPDFGraphicState.cpp
index 580d7e9..6ea535f 100644
--- a/src/pdf/SkPDFGraphicState.cpp
+++ b/src/pdf/SkPDFGraphicState.cpp
@@ -15,7 +15,7 @@
     switch (mode) {
         case SkXfermode::kSrcOver_Mode:    return "Normal";
         // kModulate is not really like multipy but similar most of the time.
-        case SkXfermode::kModulate_Mode: 
+        case SkXfermode::kModulate_Mode:
         case SkXfermode::kMultiply_Mode:   return "Multiply";
         case SkXfermode::kScreen_Mode:     return "Screen";
         case SkXfermode::kOverlay_Mode:    return "Overlay";