Set proper file type attribute for OSX zip export

The missing file type in file attributes was causing the file to lose executable permissions when unzipped with some softwares.

Set proper file type attribute for OSX zip export
4501771f · PouleyKetchoupp · 1cd8e835 · 4501771f
Commit 4501771f authored Jun 20, 2020 by PouleyKetchoupp
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export.cpp platform/osx/export/export.cpp +4 -1

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--- a/platform/osx/export/export.cpp
+++ b/platform/osx/export/export.cpp
@@ -829,7 +829,10 @@ void EditorExportPlatformOSX::_zip_folder_recursive(zipFile &p_zip, const String
 			zipfi.tmz_date.tm_sec = time.sec;
 			zipfi.tmz_date.tm_year = date.year;
 			zipfi.dosDate = 0;
-			zipfi.external_fa = (is_executable ? 0755 : 0644) << 16L;
+			// 0100000: regular file type
+			// 0000755: permissions rwxr-xr-x
+			// 0000644: permissions rw-r--r--
+			zipfi.external_fa = (is_executable ? 0100755 : 0100644) << 16L;
 			zipfi.internal_fa = 0;

 			zipOpenNewFileInZip4(p_zip,