Fixed compilation error when a new file is added or removed to the pr…

…oject

Closes #1776

CHANGELOG.md

@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Fixed
 - Fixed compilation error with inheritance of prototype interfaces
   [#1758](https://github.com/phalcon/zephir/issues/1758)
+- Fixed compilation error when a new file is added or removed to the project
+  [#1776](https://github.com/phalcon/zephir/issues/1776)
 
 ## [0.11.7] - 2018-11-27
 ### Changed

Library/Compiler.php

@@ -790,12 +790,13 @@ public function generate($fromGenerate = false)
          * When a new file is added or removed we need to run configure again
          */
         if (!$fromGenerate) {
-            if (!$this->filesystem->exists('compiled-files-sum')) {
+            if (false === $this->filesystem->exists('compiled-files-sum')) {
                 $needConfigure = true;
                 $this->filesystem->write('compiled-files-sum', $hash);
             } else {
                 if ($this->filesystem->read('compiled-files-sum') != $hash) {
                     $needConfigure = true;
+                    $this->filesystem->delete('compiled-files-sum');
                     $this->filesystem->write('compiled-files-sum', $hash);
                 }
             }

ext/php_test.h

@@ -14,7 +14,7 @@
 #define PHP_TEST_VERSION     "1.0.0"
 #define PHP_TEST_EXTNAME     "test"
 #define PHP_TEST_AUTHOR      "Zephir Team"
-#define PHP_TEST_ZEPVERSION  "0.11.7-$Id$"
+#define PHP_TEST_ZEPVERSION  "0.11.9-$Id$"
 #define PHP_TEST_DESCRIPTION "Description test for<br/>Test Extension"
 
 typedef struct _zephir_struct_test {