zeromq: fix inconsistent use of override

Author: bastibl

gr-zeromq/lib/pub_sink_impl.h

@@ -43,7 +43,7 @@ class pub_sink_impl : public pub_sink, public base_sink_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
     std::string last_endpoint() override { return base_sink_impl::last_endpoint(); }
 };
 

gr-zeromq/lib/pull_msg_source_impl.h

@@ -46,8 +46,8 @@ class pull_msg_source_impl : public pull_msg_source
     pull_msg_source_impl(char* address, int timeout);
     ~pull_msg_source_impl();
 
-    bool start();
-    bool stop();
+    bool start() override;
+    bool stop() override;
 
     std::string last_endpoint() override
     {

gr-zeromq/lib/pull_source_impl.h

@@ -43,7 +43,7 @@ class pull_source_impl : public pull_source, public base_source_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
     std::string last_endpoint() override { return base_source_impl::last_endpoint(); }
 };
 

gr-zeromq/lib/push_sink_impl.h

@@ -43,7 +43,7 @@ class push_sink_impl : public push_sink, public base_sink_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
 
     std::string last_endpoint() override { return base_sink_impl::last_endpoint(); }
 };

gr-zeromq/lib/rep_msg_sink_impl.h

@@ -46,8 +46,8 @@ class rep_msg_sink_impl : public rep_msg_sink
     rep_msg_sink_impl(char* address, int timeout);
     ~rep_msg_sink_impl();
 
-    bool start();
-    bool stop();
+    bool start() override;
+    bool stop() override;
 
     std::string last_endpoint() override
     {

gr-zeromq/lib/rep_sink_impl.h

@@ -41,7 +41,7 @@ class rep_sink_impl : public rep_sink, public base_sink_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
     std::string last_endpoint() override { return base_sink_impl::last_endpoint(); }
 };
 

gr-zeromq/lib/req_msg_source_impl.h

@@ -46,8 +46,8 @@ class req_msg_source_impl : public req_msg_source
     req_msg_source_impl(char* address, int timeout);
     ~req_msg_source_impl();
 
-    bool start();
-    bool stop();
+    bool start() override;
+    bool stop() override;
 
     std::string last_endpoint() override
     {

gr-zeromq/lib/req_source_impl.h

@@ -43,7 +43,7 @@ class req_source_impl : public req_source, public base_source_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
 
     std::string last_endpoint() override { return base_source_impl::last_endpoint(); }
 

gr-zeromq/lib/sub_msg_source_impl.h

@@ -46,8 +46,8 @@ class sub_msg_source_impl : public sub_msg_source
     sub_msg_source_impl(char* address, int timeout);
     ~sub_msg_source_impl();
 
-    bool start();
-    bool stop();
+    bool start() override;
+    bool stop() override;
 
     std::string last_endpoint() override
     {

gr-zeromq/lib/sub_source_impl.h

@@ -43,7 +43,7 @@ class sub_source_impl : public sub_source, public base_source_impl
 
     int work(int noutput_items,
              gr_vector_const_void_star& input_items,
-             gr_vector_void_star& output_items);
+             gr_vector_void_star& output_items) override;
 
     std::string last_endpoint() override { return base_source_impl::last_endpoint(); }
 };