testutils: virTestRewrapFile: Rewrap also '.argv' files

The suffix is used for output files of 'storagevolxml2argvtest.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>

tests/testutils.c

@@ -332,6 +332,7 @@ virTestRewrapFile(const char *filename)
     g_autoptr(virCommand) cmd = NULL;
 
     if (!(virStringHasSuffix(filename, ".args") ||
+          virStringHasSuffix(filename, ".argv") ||
           virStringHasSuffix(filename, ".ldargs")))
         return 0;