clang-format runtime/vm

runtime/vm/os.h

Index: runtime/vm/os.h
diff --git a/runtime/vm/os.h b/runtime/vm/os.h
index e381269fbf0d50bd1cf4ccdb114e56426926b96e..b90b06da8238877bc5b0cd690b6ab95f6f29337e 100644
--- a/runtime/vm/os.h
+++ b/runtime/vm/os.h
@@ -121,9 +121,7 @@ class OS {
   // that occur.
   static int SNPrint(char* str, size_t size, const char* format, ...)
       PRINTF_ATTRIBUTE(3, 4);
-  static int VSNPrint(char* str, size_t size,
-                      const char* format,
-                      va_list args);
+  static int VSNPrint(char* str, size_t size, const char* format, va_list args);
 
   // Allocate a string and print formatted output into the buffer.
   // Uses the zone for allocation if one if provided, and otherwise uses