extended suppressions file for valgrind

valgrind.suppressions/common.supp

@@ -191,12 +191,19 @@
    ...
 }
 {
-   bash
+   bash-leak
    Memcheck:Leak
    ...
    obj:/bin/bash
    ...
 }
+{
+   bash-free
+   Memcheck:Free
+   ...
+   obj:/bin/bash
+   ...
+}
 {
    ZeroMQ
    Memcheck:Param