fix 3 indents to avoid build failure with -Werror

The build failures complain about misleading indentation:

 ../../../src/libasn1c/src/per_decoder.c:161:9: error: this 'if' clause does not guard... [-Werror=misleading-indentation]
  161 |         if(!td->aper_decoder)
      |         ^~
 ../../../src/libasn1c/src/per_decoder.c:163:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  163 |                 rval = td->aper_decoder(opt_codec_ctx, td, 0, sptr, &pd);
      |                 ^~~~

Change-Id: I9ebd0de9135722bb718e2a5067f9b8238d0483dc
diff --git a/src/INTEGER.c b/src/INTEGER.c
index b3f0da1..042fd75 100644
--- a/src/INTEGER.c
+++ b/src/INTEGER.c
@@ -775,8 +775,8 @@
 					? asn_ulong2INTEGER(st, value)
 					: asn_long2INTEGER(st, value))
 					_ASN_DECODE_FAILED;
-					ASN_DEBUG("Got value %ld + low %lld",
-							  value, ct->lower_bound);
+				ASN_DEBUG("Got value %ld + low %lld",
+						  value, ct->lower_bound);
 			}
 			return rval;
 		} else {
diff --git a/src/constr_CHOICE.c b/src/constr_CHOICE.c
index 18c24cd..df68feb 100644
--- a/src/constr_CHOICE.c
+++ b/src/constr_CHOICE.c
@@ -1134,8 +1134,8 @@
 		if(per_put_few_bits(po, present, ct->range_bits))
 			_ASN_ENCODE_FAILED;
 
-			return elm->type->aper_encoder(elm->type, elm->per_constraints,
-										   memb_ptr, po);
+		return elm->type->aper_encoder(elm->type, elm->per_constraints,
+									   memb_ptr, po);
 	} else {
 		asn_enc_rval_t rval;
 		if(specs->ext_start == -1)
diff --git a/src/per_decoder.c b/src/per_decoder.c
index 20fe1a1..b5056b5 100644
--- a/src/per_decoder.c
+++ b/src/per_decoder.c
@@ -160,7 +160,7 @@
 	 */
 	if(!td->aper_decoder)
 		_ASN_DECODE_FAILED;	/* PER is not compiled in */
-		rval = td->aper_decoder(opt_codec_ctx, td, 0, sptr, &pd);
+	rval = td->aper_decoder(opt_codec_ctx, td, 0, sptr, &pd);
 	if(rval.code == RC_OK) {
 		/* Return the number of consumed bits */
 		rval.consumed = ((pd.buffer - (const uint8_t *)buffer) << 3)