include: whitespace changes for clang-format

Change-Id: I76ab59d963cebf6cbb450e1873c3e0c63f3f2da0
Reviewed-on: https://skia-review.googlesource.com/155560
Commit-Queue: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Auto-Submit: Hal Canary <halcanary@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
diff --git a/include/core/SkTextBlob.h b/include/core/SkTextBlob.h
index 88bdec0..f789a6a 100644
--- a/include/core/SkTextBlob.h
+++ b/include/core/SkTextBlob.h
@@ -22,6 +22,7 @@
 #include "SkPaint.h"
 #include "SkString.h"
 #include "SkRefCnt.h"
+
 #include <atomic>
 
 struct SkSerialProcs;