Debugger: Fix misplaced {

Harm was limited, as these were the fallback values for terminal
and working directory that are overridden in all cases with
real RunConfiguations.

Change-Id: I7d3cef1ac814a0ffcf60a8977e0ae13136ea50b5
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/debugger/debuggerruncontrol.cpp

@@ -760,8 +760,8 @@ DebuggerRunTool::DebuggerRunTool(RunControl *runControl)
                 QString(), QString(), optionalPrompt);
     });
 
-    Runnable r = runnable(); {
-    if (r.is<StandardRunnable>())
+    Runnable r = runnable();
+    if (r.is<StandardRunnable>()) {
         m_runParameters.inferior = r.as<StandardRunnable>();
         m_runParameters.useTerminal = m_runParameters.inferior.runMode == ApplicationLauncher::Console;
         // Normalize to work around QTBUG-17529 (QtDeclarative fails with 'File name case mismatch'...)