Fix duplicate symbols issues.

Index: src/pet/pet-stubs.c
--- src/pet/pet-stubs.c.orig
+++ src/pet/pet-stubs.c
@@ -163,11 +163,4 @@ int parallel_cable_cpu_resources_init(void)
 {
     return -1;
 }
-int rsuser_cmdline_options_init(void)
-{
-    return -1;
-}
-int rsuser_resources_init(void)
-{
-    return -1;
-}
+
