Merge branch 'PHP-7.4'

* PHP-7.4:
  Don't use deprecated curly brace offset syntax

Author: cmb69

win32/build/mkdist.php

@@ -185,11 +185,11 @@ function extract_file_from_tarball($pkg, $filename, $dest_dir) /* {{{ */
             break;
         $checksum = 0;
         for ($i = 0; $i < 148; $i++)
-            $checksum += ord($hdr_data{$i});
+            $checksum += ord($hdr_data[$i]);
         for ($i = 148; $i < 156; $i++)
             $checksum += 32;
         for ($i = 156; $i < 512; $i++)
-            $checksum += ord($hdr_data{$i});
+            $checksum += ord($hdr_data[$i]);
 
         $hdr = unpack("a100filename/a8mode/a8uid/a8gid/a12size/a12mtime/a8checksum/a1typeflag/a100link/a6magic/a2version/a32uname/a32gname/a8devmajor/a8devminor", $hdr_data);