Git: Some more QStringList cleanup

Change-Id: I0c6e8f768ee46985dab8ae14f88f2bc8d34fed26
Reviewed-by: André Hartmann <aha_1980@gmx.de>

src/plugins/git/branchmodel.cpp

@@ -172,7 +172,7 @@ public:
             }
             return names;
         }
-        return QStringList(fullName().join('/'));
+        return { fullName().join('/') };
     }
 
     int rowOf(BranchNode *node)