Corrected SDC ci-build

Author: lmckenzi

xml/FHIR-sdc.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<specification xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ballotUrl="http://hl7.org/fhir/uv/sdc/2019May" ciUrl="http://hl7.org/fhir/ig/HL7/sdc" defaultVersion="3.0.0" defaultWorkgroup="fhir-i" gitUrl="https://github.com/HL7/sdc" url="http://hl7.org/fhir/uv/sdc">
+<specification xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ballotUrl="http://hl7.org/fhir/uv/sdc/2019May" ciUrl="http://build.fhir.org/ig/HL7/sdc" defaultVersion="3.0.0" defaultWorkgroup="fhir-i" gitUrl="https://github.com/HL7/sdc" url="http://hl7.org/fhir/uv/sdc">
 <version code="current" url="http://build.fhir.org/ig/HL7/sdc"/>
 <version code="3.0.0" url="http://hl7.org/fhir/uv/sdc/STU3"/>
 <version code="2.7.0" deprecated="true" url="http://hl7.org/fhir/uv/sdc/2019May"/>