remove additionally added breakpoint when stepping into a file (bug #44728) * file-editor-tab.cc (file_editor_tab): initialize new struct with info on breakpoints; (run_file): before adding breakpoint at very first line, store position of already existing first breakpoint and set flag to remove next breakpoint reached; (add_breakpoint_callback): if remove_next in structure is set, store real line of the new breakpoint and reset remove_next flag; (insert_debugger_pointer) if the current line number is the same as a possible line number where a breakpoint has to be removed and there wasn't a breakpoint berfore adding it, remove this breakpoint * file-editor-tab.h: new structure for storing all required information

--- a/libgui/src/m-editor/file-editor-tab.h	Fri Mar 29 21:01:43 2019 -0700
+++ b/libgui/src/m-editor/file-editor-tab.h	Sat Mar 30 16:39:17 2019 +0100
@@ -321,6 +321,13 @@
     bool _lines_changed;
     bool _highlight_all_occurrences;
     int m_bp_restore_count;
+
+    struct
+      {
+        bool        remove_next;
+        int         remove_line;
+        int         do_not_remove_line;
+      } m_breakpoint_info;
   };
 }