Fix up whitespace in headers for doc.go.

Also, set sensible defaults for the command-line arguments to doc.go.

Change-Id: Iefd2ade4c9095489efa0ae1059007593fc84923a
diff --git a/include/openssl/rc4.h b/include/openssl/rc4.h
index 42a74f2..0619cac 100644
--- a/include/openssl/rc4.h
+++ b/include/openssl/rc4.h
@@ -66,6 +66,7 @@
 
 /* RC4. */
 
+
 struct rc4_key_st {
   uint32_t x, y;
   uint32_t data[256];
diff --git a/include/openssl/rsa.h b/include/openssl/rsa.h
index 7bb9fd5..f49eb14 100644
--- a/include/openssl/rsa.h
+++ b/include/openssl/rsa.h
@@ -315,7 +315,6 @@
                                                   int sLen);
 
 
-
 /* ASN.1 functions. */
 
 /* d2i_RSAPublicKey parses an ASN.1, DER-encoded, RSA public key from |len|
diff --git a/include/openssl/thread.h b/include/openssl/thread.h
index 25e252c..1f8f524 100644
--- a/include/openssl/thread.h
+++ b/include/openssl/thread.h
@@ -74,6 +74,7 @@
  * callback support a fixed (at run-time) number of different locks, given by
  * |CRYPTO_num_locks|. */
 
+
 /* CRYPTO_num_locks returns the number of static locks that the callback
  * function passed to |CRYPTO_set_locking_callback| must be able to handle. */
 OPENSSL_EXPORT int CRYPTO_num_locks(void);
@@ -154,7 +155,7 @@
                                    const char *file, int line);
 
 /* Lock IDs start from 1. CRYPTO_LOCK_INVALID_LOCK is an unused placeholder
-* used to ensure no lock has ID 0. */
+ * used to ensure no lock has ID 0. */
 #define CRYPTO_LOCK_LIST \
   CRYPTO_LOCK_ITEM(CRYPTO_LOCK_INVALID_LOCK), \
   CRYPTO_LOCK_ITEM(CRYPTO_LOCK_BIO), \
diff --git a/util/doc.go b/util/doc.go
index 7c96af8..48eac61 100644
--- a/util/doc.go
+++ b/util/doc.go
@@ -582,8 +582,8 @@
 
 func main() {
 	var (
-		configFlag *string = flag.String("config", "", "Location of config file")
-		outputDir  *string = flag.String("out", "", "Path to the directory where the output will be written")
+		configFlag *string = flag.String("config", "doc.config", "Location of config file")
+		outputDir  *string = flag.String("out", ".", "Path to the directory where the output will be written")
 		config     Config
 	)