Revert "Projects: Fix deprecated iterator"

This reverts commit 328af3c08af56a64a98b29c4690da2355d25d1bd.

Reason for revert: Breaks compilation with gcc 7 and 9

Change-Id: I1f5f00aadf71f8e0d1af7f7161b539fec4bb24f5
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

1 files changed, 1 insertions, 7 deletions

diff --git a/src/plugins/projectexplorer/projectmodels.cpp b/src/plugins/projectexplorer/projectmodels.cpp
index 0e84ee4694..f4471d99a1 100644
--- a/src/plugins/projectexplorer/projectmodels.cpp
+++ b/src/plugins/projectexplorer/projectmodels.cpp
@@ -73,14 +73,8 @@ namespace Internal {
 
 /// An output iterator whose assignment operator appends a clone of the operand to the list of
 /// children of the WrapperNode passed to the constructor.
-class Appender
+class Appender : public std::iterator<std::output_iterator_tag, void, void, void, void>
 {
-    using iterator_category = std::output_iterator_tag;
-    using value_type = void;
-    using difference_type = void;
-    using pointer = void;
-    using reference = void;
-
 public:
     explicit Appender(WrapperNode *parent) : m_parent(parent) {}