QCborStreamReader: Fix uninitialized warning

serialization/qcborstream.cpp: In member function 'QCborStreamReader::StringResult<int> QCborStreamReader::readStringChunk(char*, qsizetype)':
serialization/qcborstream.cpp:2845:62: error: 'content' may be used uninitialized in this function [-Werror=maybe-uninitialized]
         memcpy(ptr, d->buffer.constData() + d->bufferStart + offset, toRead);
                                                              ^

Task-number: QTBUG-68889
Change-Id: Ieea05672f2fdd7685c2af0e0aa7fa8b281d25618
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/corelib/serialization/qcborstream.cpp b/src/corelib/serialization/qcborstream.cpp
index 04c8da15aa..3cc725e111 100644
--- a/src/corelib/serialization/qcborstream.cpp
+++ b/src/corelib/serialization/qcborstream.cpp
@@ -2769,7 +2769,7 @@ QCborStreamReader::readStringChunk(char *ptr, qsizetype maxlen)
 {
     CborError err;
     size_t len;
-    const void *content;
+    const void *content = nullptr;
     QCborStreamReader::StringResult<qsizetype> result;
     result.data = 0;
     result.status = Error;