Address lint issues in pdf directories.
Review URL: http://codereview.appspot.com/4887042

git-svn-id: http://skia.googlecode.com/svn/trunk@2117 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/pdf/SkPDFImage.cpp b/src/pdf/SkPDFImage.cpp
index d75a84c..8cfbcce 100644
--- a/src/pdf/SkPDFImage.cpp
+++ b/src/pdf/SkPDFImage.cpp
@@ -147,7 +147,7 @@
             int offset2 = 8 - offset1;
             for (int y = srcRect.fTop; y < srcRect.fBottom; y++) {
                 uint8_t* src = bitmap.getAddr1(0, y);
-                // This may read up to one byte after src, but the potentially 
+                // This may read up to one byte after src, but the potentially
                 // invalid bits are never used for computation.
                 for (int x = srcRect.fLeft; x < srcRect.fRight; x += 8)  {
                     if (offset1) {