qt: Work (don't crash) with -segnet

Author: theuni

src/qt/guiconstants.h

@@ -50,5 +50,6 @@ static const int MAX_URI_LENGTH = 255;
 #define QAPP_ORG_DOMAIN "bitcoin.org"
 #define QAPP_APP_NAME_DEFAULT "Bitcoin-Qt"
 #define QAPP_APP_NAME_TESTNET "Bitcoin-Qt-testnet"
+#define QAPP_APP_NAME_SEGNET "Bitcoin-Qt-segnet"
 
 #endif // BITCOIN_QT_GUICONSTANTS_H

src/qt/networkstyle.cpp

@@ -17,6 +17,7 @@ static const struct {
 } network_styles[] = {
     {"main", QAPP_APP_NAME_DEFAULT, 0, 0, ""},
     {"test", QAPP_APP_NAME_TESTNET, 70, 30, QT_TRANSLATE_NOOP("SplashScreen", "[testnet]")},
+    {"segnet", QAPP_APP_NAME_SEGNET, 30, 30, QT_TRANSLATE_NOOP("SplashScreen", "[segnet]")},
     {"regtest", QAPP_APP_NAME_TESTNET, 160, 30, "[regtest]"}
 };
 static const unsigned network_styles_count = sizeof(network_styles)/sizeof(*network_styles);