Merge branch 'dk/test-aggregate-results-paste-fix'

The use of "paste" command for aggregating the test results have
been corrected.

* dk/test-aggregate-results-paste-fix:
  t/aggregate-results: fix paste(1) invocation

Author: gitster

t/aggregate-results.sh

@@ -44,7 +44,7 @@ then
 		tr -s "," "\n" |
 		grep -v '^$' |
 		sort -u |
-		paste -s -d ' ')
+		paste -s -d ' ' -)
 	if test -n "$unique_missing_prereq"
 	then
 		printf "\nmissing prereq: $unique_missing_prereq\n\n"