ARM: ptrace: fix style issue with hw_breakpoint interface

This patch fixes a trivial style issue in ptrace.c.

Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 3e97483..19c6816 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -1060,8 +1060,8 @@
 			goto out;
 
 		if ((gen_type & implied_type) != gen_type) {
-				ret = -EINVAL;
-				goto out;
+			ret = -EINVAL;
+			goto out;
 		}
 
 		attr.bp_len	= gen_len;