cogl/gl-framebuffer: Remove hard coding type name

Either "onscreen" or "offscreen" was logged as the type; replace this
with the actual type name.

!1514
6 jobs for !1514 with wip/onscreen-gobject in 3 minutes and 40 seconds
detached
Status Job ID Name Coverage
  Review
failed #948176
check-commit-log

00:00:43

 
  Build
failed #948177
build-mutter

00:01:21

passed #948179
build-without-native-backend-and-wayland

00:03:39

failed #948178
build-without-opengl-and-glx

00:00:54

 
  Test
skipped #948181
can-build-gnome-shell
skipped #948180
test-mutter
 
Name Stage Failure
failed
check-commit-log Review

Skipping Git submodules setup
Executing "step_script" stage of the job script
$ ./.gitlab-ci/check-commit-log.sh
From https://gitlab.gnome.org/GNOME/mutter
* branch master -> FETCH_HEAD
Commit range empty
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
build-mutter Build
[692/897] Compiling C object src/tests/clutter/conform/actor-graph.p/actor-graph.c.o
[693/897] Compiling C object src/libmutter-8.so.0.0.0.p/backends_native_meta-onscreen-native.c.o
[694/897] Compiling C object src/libmutter-8.so.0.0.0.p/backends_native_meta-renderer-native.c.o
[695/897] Compiling C object src/tests/clutter/conform/actor-offscreen-redirect.p/.._.._clutter-test-utils.c.o
[696/897] Compiling C object src/tests/clutter/conform/actor-iter.p/.._.._clutter-test-utils.c.o
[697/897] Compiling C object src/libmutter-8.so.0.0.0.p/backends_native_meta-seat-native.c.o
ninja: build stopped: subcommand failed.
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
build-without-opengl-and-glx Build
[264/893] Generating meta-private-enum-types.h with a meson_exe.py custom command
[265/893] Compiling C object src/tests/wayland-test-clients/subsurface-remap-toplevel.p/subsurface-remap-toplevel.c.o
[266/893] Generating clutter-enum-types.h with a meson_exe.py custom command
[267/893] Generating meta-enum-types.h with a meson_exe.py custom command
[268/893] Generating mutter.desktop with a custom command
[269/893] Compiling C object src/tests/mutter-test-client.p/test-client.c.o
ninja: build stopped: subcommand failed.
Cleaning up file based variables
ERROR: Job failed: exit code 1