QSslContext: to represent a bool, use a bool, not an int

Change-Id: I2c2f5072302d2989362a382bd24cc10617336acf
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>

src/network/ssl/qsslcontext_openssl.cpp

@@ -195,7 +195,7 @@ init_context:
 
     // Initialize ciphers
     QByteArray cipherString;
-    int first = true;
+    bool first = true;
     QList<QSslCipher> ciphers = sslContext->sslConfiguration.ciphers();
     if (ciphers.isEmpty())
         ciphers = QSslSocketPrivate::defaultCiphers();