Style cleanup in preparation for auto-linting base/.

base/image_util.h

Index: base/image_util.h
diff --git a/base/image_util.h b/base/image_util.h
index 0fd4a8f632e044135d1501c460eae96419b08e5b..7e5535829b256358db01b659d47149c5835a28dc 100644
--- a/base/image_util.h
+++ b/base/image_util.h
@@ -18,8 +18,8 @@ namespace image_util {
 
 // Contains both the PE section name (.text, .reloc etc) and its size.
 struct ImageSectionData {
-  ImageSectionData (const std::string& section_name, size_t section_size)
-      : name (section_name),
+  ImageSectionData(const std::string& section_name, size_t section_size)
+      : name(section_name),
         size_in_bytes(section_size) {
   }