QSslCertificate: Add property names to debug operator<<

When qDebugging a QSslCertificate, its properties are printed without
property names. That makes it difficult to identify which output string
correlates to which data element.

This patch adds the property name to each output field.

Pick-to: 6.5
Change-Id: Icdc54520e048f5fa03e8d9ed0ab2a42371e5a00d
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

src/network/ssl/qsslcertificate.cpp

@@ -974,15 +974,15 @@ QDebug operator<<(QDebug debug, const QSslCertificate &certificate)
     QDebugStateSaver saver(debug);
     debug.resetFormat().nospace();
     debug << "QSslCertificate("
-          << certificate.version()
-          << ", " << certificate.serialNumber()
-          << ", " << certificate.digest().toBase64()
-          << ", " << certificate.issuerDisplayName()
-          << ", " << certificate.subjectDisplayName()
-          << ", " << certificate.subjectAlternativeNames()
+          << "Version=" << certificate.version()
+          << ", SerialNumber=" << certificate.serialNumber()
+          << ", Digest=" << certificate.digest().toBase64()
+          << ", Issuer=" << certificate.issuerDisplayName()
+          << ", Subject=" << certificate.subjectDisplayName()
+          << ", AlternativeSubjectNames=" << certificate.subjectAlternativeNames()
 #if QT_CONFIG(datestring)
-          << ", " << certificate.effectiveDate()
-          << ", " << certificate.expiryDate()
+          << ", EffectiveDate=" << certificate.effectiveDate()
+          << ", ExpiryDate=" << certificate.expiryDate()
 #endif
           << ')';
     return debug;