compare_dg_tests.pl: Fix regexp in read_flaky

Change-Id: Ic559d1510663d796306df68014b5424143f1e2a2
diff --git a/compare_dg_tests.pl b/compare_dg_tests.pl
index 7b5f8b4..edb47d9 100755
--- a/compare_dg_tests.pl
+++ b/compare_dg_tests.pl
@@ -477,7 +477,7 @@
 	   # Check if line is of type: 'flaky,expire=YYYYMMDD | testname'
 	   if (/^[ 	]*flaky,expire=.* \| (PASS|XPASS|FAIL|XFAIL|KFAIL|UNSUPPORTED|UNTESTED|UNRESOLVED|ERROR): /)
 	   {
-	       $test =~ s/.*flaky,expire=.* | (PASS|XPASS|FAIL|XFAIL|KFAIL|UNSUPPORTED|UNTESTED|UNRESOLVED|ERROR): //;
+	       $test =~ s/.*flaky,expire=.* \| (PASS|XPASS|FAIL|XFAIL|KFAIL|UNSUPPORTED|UNTESTED|UNRESOLVED|ERROR): //;
 	   } else {
 	       $test =~ s/.*flaky \| (PASS|XPASS|FAIL|XFAIL|KFAIL|UNSUPPORTED|UNTESTED|UNRESOLVED|ERROR): //;
 	   }