General code cleanups

* Use default member initializers
* Use range-based loops
* Don't use 'else' after 'return'
* Removed some unused includes
* Construct empty strings with std::string() instead of ""
* Clear strings with .clear() instead of assigning ""
* Check whether strings are empty with .empty() instead of comparing to ""
* Removed redundant initializations

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/connectiondialog.cpp b/src/gui/connectiondialog.cpp
index 963005cf..2ff68a15 100644
--- a/src/gui/connectiondialog.cpp
+++ b/src/gui/connectiondialog.cpp
@@ -32,7 +32,7 @@
 
 ConnectionDialog::ConnectionDialog(const std::string &text,
                                    State cancelState):
-    Window(""),
+    Window(std::string()),
     mCancelState(cancelState)
 {
     setTitleBarHeight(0);