Always suffix indented code block with a newline

lib/rules_block/code.js

@@ -27,7 +27,7 @@ module.exports = function code(state, startLine, endLine/*, silent*/) {
   state.line = last;
 
   token         = state.push('code_block', 'code', 0);
-  token.content = state.getLines(startLine, last, 4 + state.blkIndent, true);
+  token.content = state.getLines(startLine, last, 4 + state.blkIndent, false) + '\n';
   token.map     = [ startLine, state.line ];
 
   return true;

test/misc.js

@@ -182,6 +182,9 @@ describe('Misc', function () {
 
     assert.strictEqual(md.render('123'), '<p>123</p>\n');
     assert.strictEqual(md.render('123\n'), '<p>123</p>\n');
+
+    assert.strictEqual(md.render('    codeblock'), '<pre><code>codeblock\n</code></pre>\n');
+    assert.strictEqual(md.render('    codeblock\n'), '<pre><code>codeblock\n</code></pre>\n');
   });
 
   it('Should quickly exit on empty string', function () {