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-rw-r--r--src/corelib/mimetypes/qmimeprovider.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/corelib/mimetypes/qmimeprovider.cpp b/src/corelib/mimetypes/qmimeprovider.cpp
index cbf2562581..47b5e42167 100644
--- a/src/corelib/mimetypes/qmimeprovider.cpp
+++ b/src/corelib/mimetypes/qmimeprovider.cpp
@@ -647,7 +647,7 @@ QMimeXMLProvider::QMimeXMLProvider(QMimeDatabasePrivate *db, InternalDatabaseEnu
#elif defined(MIME_DATABASE_IS_GZIP)
std::unique_ptr<char []> uncompressed(new char[size]);
z_stream zs = {};
- zs.next_in = mimetype_database;
+ zs.next_in = const_cast<Bytef *>(mimetype_database);
zs.avail_in = sizeof(mimetype_database);
zs.next_out = reinterpret_cast<Bytef *>(uncompressed.get());
zs.avail_out = size;