Added sigaddset() tests.
diff --git a/runtest/syscalls b/runtest/syscalls
index d7b8876..d93f1a7 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -724,6 +724,10 @@
 sigaction01 sigaction01
 sigaction02 sigaction02
 
+sigaddset01 cd $LTPROOT/testcases/bin;sigaddset01
+sigaddset02 cd $LTPROOT/testcases/bin;sigaddset02
+sigaddset03 cd $LTPROOT/testcases/bin;sigaddset03
+
 sigaltstack01 sigaltstack01
 sigaltstack02 sigaltstack02