CVE-2026-46178 RDMA/mlx4: Fix resource leak on error in mlx4_ib_create_srq()

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Fix resource leak on error in mlx4ibcreatesrq Sashiko points out that mlx4srqalloc was not undone during error unwind, add the missing call to mlx4srqfree...