change debug.log path, fix Coredump with new zaddr

src/liteinterface.cpp

@@ -39,7 +39,7 @@ void LiteInterface::createNewZaddr(bool, const std::function<void(json)>& cb) {
     if (conn == nullptr)
         return;
 
-    conn->doRPCWithDefaultErrorHandling("new", "z", cb);
+    conn->doRPCWithDefaultErrorHandling("new", "zs", cb);
 }
 
 void LiteInterface::createNewTaddr(const std::function<void(json)>& cb) {

src/mainwindow.cpp

@@ -39,7 +39,7 @@ MainWindow::MainWindow(QWidget *parent) :
 
 	    
     ui->setupUi(this);
-    logger = new Logger(this, QDir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)).filePath("silentdragonlite-cli-wallet.log"));
+    logger = new Logger(this, QDir(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation)).filePath("/home/denio/silentdragonlite/silentdragonlite-wallet.debug.log"));
 
     // Status Bar
     setupStatusBar();

src/settings.cpp

@@ -64,7 +64,7 @@ bool Settings::isZAddress(QString addr) {
     if (!isValidAddress(addr))
         return false;
         
-    return addr.startsWith("z");
+    return addr.startsWith("zs");
 }
 
 bool Settings::isTAddress(QString addr) {