[User] Can't build with OpenBLAS after b1ca8f36

[alk0]

Can't build with make LLAMA_OPENBLAS=1 after b1ca8f3 (and up to 2f8cd97):

ggml.c: In function ‘ggml_setup_op_has_task_pass’:
ggml.c:3860:16: error: expected identifier or ‘(’ before ‘__extension__’
 3860 |         bool * I = GGML_OP_HAS_INIT;
      |                ^
ggml.c:3862:10: error: subscripted value is neither array nor pointer nor vector
 3862 |         I[GGML_OP_ACC                    ] = true;
      |          ^
ggml.c:3863:10: error: subscripted value is neither array nor pointer nor vector
 3863 |         I[GGML_OP_MUL_MAT                ] = true;
      |          ^