Fix formatting in rust-lang.c

This fixes up a few formatting nits in rust-lang.c.
Built and regtested on x86-64 Fedora 23.

2016-06-25  Tom Tromey  <tom@tromey.com>

	* rust-lang.c (rust_get_disr_info, rust_print_type): Fix
	formatting.

gdb/ChangeLog

+2016-06-25  Tom Tromey  <tom@tromey.com>
+
+	* rust-lang.c (rust_get_disr_info, rust_print_type): Fix
+	formatting.
+
 2016-06-25  Manish Goregaokar  <manish@mozilla.com>
 
 	PR gdb/20239

gdb/rust-lang.c

@@ -149,8 +149,8 @@ rust_get_disr_info (struct type *type, const gdb_byte *valaddr,
         {
 	  if (sscanf (token, "%lu", &fieldno) != 1)
 	    {
-                /* We have reached the enum name,
-                   which cannot start with a digit.  */
+	      /* We have reached the enum name, which cannot start
+		 with a digit.  */
 	      break;
 	    }
           if (fieldno >= TYPE_NFIELDS (member_type))
@@ -163,10 +163,7 @@ rust_get_disr_info (struct type *type, const gdb_byte *valaddr,
 
       if (token >= name + strlen (TYPE_FIELD_NAME (type, 0)))
 	error (_("Invalid form for %s"), RUST_ENUM_PREFIX);
-        value = unpack_long (member_type,
-                             valaddr + embedded_offset);
-      
-
+      value = unpack_long (member_type, valaddr + embedded_offset);
 
       if (value == 0)
 	{
@@ -880,7 +877,8 @@ rust_print_type (struct type *type, const char *varstring,
 	fputs_filtered ("{\n", stream);
 
 	if (strncmp (TYPE_FIELD_NAME (type, 0), RUST_ENUM_PREFIX,
-       strlen (RUST_ENUM_PREFIX)) == 0) {
+		     strlen (RUST_ENUM_PREFIX)) == 0)
+	  {
 	    const char *zero_field = strrchr (TYPE_FIELD_NAME (type, 0), '$');
 	    if (zero_field != NULL && strlen (zero_field) > 1)
 	      {