Migrate finfo away from legacy ctor

Author: nikic

ext/fileinfo/fileinfo.c

@@ -161,7 +161,7 @@ ZEND_END_ARG_INFO()
 /* {{{ finfo_class_functions
  */
 static const zend_function_entry finfo_class_functions[] = {
-	ZEND_ME_MAPPING(finfo,          finfo_open,     arginfo_finfo_open, ZEND_ACC_PUBLIC)
+	ZEND_ME_MAPPING(__construct,    finfo_open,     arginfo_finfo_open, ZEND_ACC_PUBLIC)
 	ZEND_ME_MAPPING(set_flags,      finfo_set_flags,arginfo_finfo_method_set_flags, ZEND_ACC_PUBLIC)
 	ZEND_ME_MAPPING(file,           finfo_file,     arginfo_finfo_method_file, ZEND_ACC_PUBLIC)
 	ZEND_ME_MAPPING(buffer,         finfo_buffer,   arginfo_finfo_method_buffer, ZEND_ACC_PUBLIC)

ext/fileinfo/tests/bug61173.phpt

@@ -14,4 +14,4 @@ try {
     echo $e->getMessage(), "\n";
 }
 --EXPECT--
-finfo::finfo() expects at most 2 parameters, 3 given
+finfo::__construct() expects at most 2 parameters, 3 given

ext/fileinfo/tests/finfo_open_002.phpt

@@ -6,7 +6,7 @@ FileInfo - Calling the constructor twice
 <?php
 
 $x = new finfo;
-$x->finfo();
+$x->__construct();
 
 echo "done!\n";
 

ext/fileinfo/tests/finfo_open_error.phpt

@@ -49,5 +49,5 @@ resource(6) of type (file_info)
 
 Warning: finfo_open() expects parameter 1 to be int, string given in %sfinfo_open_error.php on line 16
 bool(false)
-finfo::finfo() expects parameter 1 to be int, string given
+finfo::__construct() expects parameter 1 to be int, string given
 ===DONE===