Fixed Travis CI build

Author: sergeyklay

.travis.yml

@@ -66,7 +66,7 @@ install:
       cd $TRAVIS_BUILD_DIR
     - |
       $(phpenv which phpize)
-      /configure --with-php-config=$(phpenv which php-config) --enable-zephir_parser
+      ./configure --with-php-config=$(phpenv which php-config) --enable-zephir_parser
       make -j"$(getconf _NPROCESSORS_ONLN)"
       make install
       phpenv config-add zephir_parser.ini