fix qbs build of git plugin

Change-Id: I0ccda7cf3ada845aa36b2564256c5c67196a68dd
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/git/git.qbs

@@ -69,6 +69,8 @@ QtcPlugin {
         "remotedialog.ui",
         "remotemodel.cpp",
         "remotemodel.h",
+        "resetdialog.cpp",
+        "resetdialog.h",
         "settingspage.cpp",
         "settingspage.h",
         "settingspage.ui",