Adapt compilerplugins to Clang trunk change

<https://github.com/llvm/llvm-project/commit/
93184a8eda272c65308906836b47cbf209de779e> "Remove unused parameter from
CXXRecordDecl::forallBases [NFC]"

Change-Id: I8efdda2a37fd0df3b964401e8851a0f95f8d0ab4
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/89781
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

compilerplugins/clang/staticmethods.cxx

@@ -51,7 +51,7 @@ bool isDerivedFromTestFixture(const CXXRecordDecl *decl) {
     if (// not sure what hasAnyDependentBases() does,
         // but it avoids classes we don't want, e.g. WeakAggComponentImplHelper1
         !decl->hasAnyDependentBases() &&
-        !decl->forallBases(BaseCheckNotTestFixtureSubclass, true)) {
+        !decl->forallBases(BaseCheckNotTestFixtureSubclass)) {
         return true;
     }
     return false;