apply gofmt

Change-Id: I2416e246b3d8485a6b7810b998cff2f45f6a0494
diff --git a/doc.go b/doc.go
index 4a9dfd7..9e917f6 100644
--- a/doc.go
+++ b/doc.go
@@ -35,17 +35,17 @@
 // the module type looks like a function call, and the properties of the module
 // look like optional arguments.  For example, a simple module might look like:
 //
-//   cc_library {
-//       name: "cmd",
-//       srcs: [
-//           "main.c",
-//       ],
-//       deps: [
-//           "libc",
-//       ],
-//   }
+//	cc_library {
+//	    name: "cmd",
+//	    srcs: [
+//	        "main.c",
+//	    ],
+//	    deps: [
+//	        "libc",
+//	    ],
+//	}
 //
-//   subdirs = ["subdir1", "subdir2"]
+//	subdirs = ["subdir1", "subdir2"]
 //
 // The modules from the top level Blueprints file and recursively through any
 // subdirectories listed by the "subdirs" variable are read by Blueprint, and