[libcpp] Remove semicolon after do {} while (0) in BUF_APPEND

2017-11-05  Tom de Vries  <tom@codesourcery.com>

	PR other/82784
	* lex.c (BUF_APPEND): Remove semicolon after
	"do {} while (0)".

From-SVN: r254424

libcpp/ChangeLog

+2017-11-05  Tom de Vries  <tom@codesourcery.com>
+
+	PR other/82784
+	* lex.c (BUF_APPEND): Remove semicolon after
+	"do {} while (0)".
+
 2017-10-31  David Malcolm  <dmalcolm@redhat.com>
 
 	* directives.c (_cpp_handle_directive): Update for renaming of

libcpp/lex.c

@@ -1647,7 +1647,7 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
 		    (const uchar *)(STR), (LEN));		\
 	    temp_buffer_len += (LEN);				\
 	  }							\
-      } while (0);
+      } while (0)
 
   orig_base = base;
   ++cur;