util: add virTypedParamsAddStringList

The `virTypedParamsAddStringList' function provides interface to add a
NULL-terminated array of string values as a multi-value to the params.

Signed-off-by: Pavel Boldin <pboldin@mirantis.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

include/libvirt/libvirt-host.h

@@ -326,6 +326,12 @@ virTypedParamsAddString (virTypedParameterPtr *params,
                          const char *name,
                          const char *value);
 int
+virTypedParamsAddStringList(virTypedParameterPtr *params,
+                         int *nparams,
+                         int *maxparams,
+                         const char *name,
+                         const char **values);
+int
 virTypedParamsAddFromString(virTypedParameterPtr *params,
                          int *nparams,
                          int *maxparams,