bpf: Fix indentation issue in epilogue_idx

There is a report on new indentation issue in epilogue_idx.
This patch fixed it.

Fixes: 169c3176 ("bpf: Add gen_epilogue to bpf_verifier_ops")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202408311622.4GzlzN33-lkp@intel.com/Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240904180847.56947-3-martin.lau@linux.devSigned-off-by: Alexei Starovoitov <ast@kernel.org>

kernel/bpf/verifier.c

@@ -19800,7 +19800,7 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env)
 				 * least one ctx ptr saving insn before the
 				 * epilogue.
 				 */
-				 epilogue_idx = i + delta;
+				epilogue_idx = i + delta;
 			}
 			goto patch_insn_buf;
 		} else {