add missing test file to sources.cmake

Change-Id: I3cbe4b7c580a0a5576554a9fe1da7a79518b0eb5
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/62285
Auto-Submit: Bob Beck <bbe@google.com>
Reviewed-by: Adam Langley <agl@google.com>
Commit-Queue: Adam Langley <agl@google.com>
diff --git a/sources.cmake b/sources.cmake
index 1ebc44a..988088e 100644
--- a/sources.cmake
+++ b/sources.cmake
@@ -587,6 +587,7 @@
   pki/testdata/name_constraints_unittest/ipaddress-invalid_mask_not_contiguous_2.pem
   pki/testdata/name_constraints_unittest/ipaddress-invalid_mask_not_contiguous_3.pem
   pki/testdata/name_constraints_unittest/ipaddress-invalid_mask_not_contiguous_4.pem
+  pki/testdata/name_constraints_unittest/ipaddress-mapped_addrs.pem
   pki/testdata/name_constraints_unittest/ipaddress-permit_all.pem
   pki/testdata/name_constraints_unittest/ipaddress-permit_prefix1.pem
   pki/testdata/name_constraints_unittest/ipaddress-permit_prefix31.pem