ci: Disable scan-build for copylibs

Eventually, we do want to include them in static analysis (their code is
run in the same process as GLib, after all). But for now, that’s too
much work to get started.

Signed-off-by: Philip Withnall <pwithnall@gnome.org>

Helps: #1767

.gitlab-ci.yml

@@ -726,8 +726,8 @@ scan-build:
   stage: analysis
   needs: []
   variables:
-    # FIXME: Eventually we want static analysis on the tests, for code quality,
-    # but for the moment it’s just busywork.
+    # FIXME: Eventually we want static analysis on the tests and copylibs, for
+    # code quality, but for the moment it’s just busywork.
     # FIXME: Disable the dead code checkers for now because they create a lot of
     # noise and don’t indicate high severity problems.
     SCAN_BUILD_FLAGS: >-
@@ -737,6 +737,9 @@ scan-build:
       --exclude gmodule/tests/
       --exclude gobject/tests/
       --exclude gthread/tests/
+      --exclude girepository/cmph/
+      --exclude glib/libcharset/
+      --exclude gio/xdgmime/
       -disable-checker deadcode.DeadStores
   script:
     - meson setup ${MESON_COMMON_OPTIONS}