Debugger: Add new build path do automatic source mappings

Change-Id: Ibdd67b91b9b99eb8188b562692afe7855931d6f6
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/debugger/debuggersourcepathmappingwidget.cpp

@@ -49,7 +49,8 @@ using namespace Utils;
 static const char* qtBuildPaths[] = {
     "Q:/qt5_workdir/w/s",
     "C:/work/build/qt5_workdir/w/s",
-    "c:/users/qt/work/qt"
+    "c:/users/qt/work/qt",
+    "c:/Users/qt/work/install"
 };
 #elif defined(Q_OS_MAC)
 static const char* qtBuildPaths[] = {};