qga: Replace 'blacklist' and 'whitelist' in the guest agent sources

Let's use better, more inclusive wording here.

Message-Id: <20220727092135.302915-3-thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/qga/guest-agent-core.h b/qga/guest-agent-core.h
index 29cd504..b4e7c52 100644
--- a/qga/guest-agent-core.h
+++ b/qga/guest-agent-core.h
@@ -24,7 +24,7 @@
 extern GAState *ga_state;
 extern QmpCommandList ga_commands;
 
-GList *ga_command_blacklist_init(GList *blacklist);
+GList *ga_command_init_blockedrpcs(GList *blockedrpcs);
 void ga_command_state_init(GAState *s, GACommandState *cs);
 void ga_command_state_add(GACommandState *cs,
                           void (*init)(void),