Add line breaks to make dehydrated files more merge-friendly.

Change-Id: Ica329608e5ee7f873a55dc27e6c14bb8734665a3
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/324118
Commit-Queue: John Stiles <johnstiles@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
diff --git a/src/sksl/SkSLOutputStream.cpp b/src/sksl/SkSLOutputStream.cpp
index 08f6b52..f242e81 100644
--- a/src/sksl/SkSLOutputStream.cpp
+++ b/src/sksl/SkSLOutputStream.cpp
@@ -11,7 +11,7 @@
 
 namespace SkSL {
 
-void OutputStream::writeString(String s) {
+void OutputStream::writeString(const String& s) {
     this->write(s.c_str(), s.size());
 }