Split derived X.509 certs into multiple lines

Author: brianhlin

Makefile

@@ -9,7 +9,11 @@ targets = 23c2f850.signing_policy 4042bcee.signing_policy \
           6187b673.signing_policy 929e297e.signing_policy \
           8d33f237.signing_policy dec71a0b.signing_policy \
           9f194ecd.signing_policy dd7d39a7.signing_policy \
-          23c2f850.0 4042bcee.0 4a0a35c0.0 4f06f81d.0 6187b673.0 8d33f237.0 929e297e.0 9f194ecd.0 dec71a0b.0 dd7d39a7.0 \
+          23c2f850.0 4042bcee.0 \
+          4a0a35c0.0 4f06f81d.0 \
+          6187b673.0 8d33f237.0 \
+          929e297e.0 9f194ecd.0 \
+          dec71a0b.0 dd7d39a7.0 \
           isrgrootx1.pem \
           letsencryptauthorityx3.pem letsencryptauthorityx4.pem \
 	  lets-encrypt-r3.pem lets-encrypt-r4.pem