ARM: ptrace: fix style issue with hw_breakpoint interface

This patch fixes a trivial style issue in ptrace.c.
Signed-off-by: NWill Deacon <will.deacon@arm.com>

arch/arm/kernel/ptrace.c

@@ -1060,8 +1060,8 @@ static int ptrace_sethbpregs(struct task_struct *tsk, long num,
 			goto out;
 
 		if ((gen_type & implied_type) != gen_type) {
-				ret = -EINVAL;
-				goto out;
+			ret = -EINVAL;
+			goto out;
 		}
 
 		attr.bp_len	= gen_len;