Style bikeshed - remove extraneous whitespace

src/gpu/SkGr.cpp

Index: src/gpu/SkGr.cpp
diff --git a/src/gpu/SkGr.cpp b/src/gpu/SkGr.cpp
index 71d9e620e3a7b062dcf029a79938cf6d9492e9a3..905af81a790f4d06b89ab0d7bf6c9eabd77a32d5 100644
--- a/src/gpu/SkGr.cpp
+++ b/src/gpu/SkGr.cpp
@@ -609,7 +609,7 @@ static inline bool skpaint_to_grpaint_impl(GrContext* context,
     SkASSERT(!grPaint->getXPFactory());
     SkXfermode* xfermode = skPaint.getXfermode();
     if (xfermode) {
-        // SafeUnref in case a new xfermode is added that returns null. 
+        // SafeUnref in case a new xfermode is added that returns null.
         // In such cases we will fall back to kSrcOver_Mode.
         SkSafeUnref(grPaint->setXPFactory(xfermode->asXPFactory()));
     }