Fix "windowsservercore" SharedTags

Author: tianon

generate-stackbrew-library.sh

@@ -141,7 +141,7 @@ for version in "${versions[@]}"; do
 		sharedTags=()
 		for windowsShared in windowsservercore nanoserver; do
 			if [[ "$variant" == "$windowsShared"* ]]; then
-				sharedTags+=( "$windowsShared" )
+				sharedTags=( $(aliases "$javaVersion" "$javaType" "$fullVersion" "$windowsShared") )
 				break
 			fi
 		done