I seem to have forgotten to actually remove the C89 test so this

should fix that oversight.

Author: rapier1

.github/workflows/c-cpp.yml

@@ -31,7 +31,8 @@ jobs:
 #          - { target: ubuntu-20.04, config: valgrind-5 }
           - { target: ubuntu-20.04, config: valgrind-6 }
           - { target: ubuntu-20.04, config: valgrind-7 }
-          - { target: ubuntu-20.04, config: c89 }
+# binn.c no longer works with c89 so remove this test.
+#          - { target: ubuntu-20.04, config: c89 }
           - { target: ubuntu-20.04, config: clang-6.0 }
           - { target: ubuntu-20.04, config: clang-8 }
           - { target: ubuntu-20.04, config: clang-9 }