component/slapos: fix slapos-node package build after python3.8

This is a fixup of bddc5491.

component/slapos/obs.cfg

@@ -85,8 +85,8 @@ pre-configure =
   sed -i 's#/opt/slapos/parts/dbus/lib/libdbus-1.la#${dbus:location}/lib/libdbus-1.la#' ${dbus-glib:location}/lib/libdbus-glib-1.la
 environment +=
   LD_LIBRARY_PATH=${dbus:location}/lib
-  PYTHON_INCLUDES=-I${python:location}/include/python${python:version}m
-  PYTHON_LIBS=-L${python:location}/lib -lpython${python:version}m -lpthread -ldl -lutil -lm
+  PYTHON_INCLUDES=-I${python:location}/include/python${python:version}
+  PYTHON_LIBS=-L${python:location}/lib -lpython${python:version} -lpthread -ldl -lutil -lm
 post-install =
   sed -i 's#${dbus:location}/lib/libdbus-1.la#/opt/slapos/parts/dbus/lib/libdbus-1.la#' ${dbus-glib:location}/lib/libdbus-glib-1.la