use egdb by default

Index: src/SeerMainWindow.cpp
--- src/SeerMainWindow.cpp.orig
+++ src/SeerMainWindow.cpp
@@ -904,7 +904,7 @@ void SeerMainWindow::readConfigSettings () {
     QSettings settings;
 
     settings.beginGroup("gdb"); {
-        gdbWidget->setGdbProgram(settings.value("program", "/usr/bin/gdb").toString());
+        gdbWidget->setGdbProgram(settings.value("program", "${LOCALBASE}/bin/egdb").toString());
         gdbWidget->setGdbArguments(settings.value("arguments", "--interpreter=mi").toString());
         gdbWidget->setGdbAsyncMode(settings.value("asyncmode", true).toBool());
         gdbWidget->setGdbHandleTerminatingException(settings.value("handleterminatingexception", true).toBool());
