Set default include directories in targets generated by duneproject

Summary

Add missing dune_default_include_directories command to the targets in the template generated by duneproject script.

Not setting the include dirs results in strange behavior e.g. wrong config.h files are included.

bin/duneproject

@@ -522,6 +522,9 @@ add_executable(${MODULE} ${MODULE}.cc)
 # link target against found dune libraries (e.g. dune-common)
 target_link_dune_default_libraries(${MODULE})
 
+# set include directories for the target
+dune_default_include_directories(${MODULE} PRIVATE)
+
 # link target against other dune registered packages (e.g. TBB, METIS, etc.)
 dune_target_enable_all_packages(${MODULE})
 M_DELIM