Set exit code 1 if wsman request fails (fixes issue #2)
diff --git a/src/wsman.c b/src/wsman.c
index 7f40194..d314acd 100644
--- a/src/wsman.c
+++ b/src/wsman.c
@@ -1030,6 +1030,7 @@
 			fprintf(stderr, "%s\n",
 					wsmc_get_fault_string(cl));
 		}
+                retVal = 1;
 	}
 	wsmc_options_destroy(options);
 	filter_destroy(filter);