Environments now belong to procgroups, modify env_set () and env_get () accordingly

kernel/proc/procgroup.c

@@ -5,6 +5,7 @@
 #include <libk/string.h>
 #include <mm/malloc.h>
 #include <mm/pmm.h>
+#include <proc/env.h>
 #include <proc/proc.h>
 #include <proc/procgroup.h>
 #include <proc/reschedule.h>
@@ -238,6 +239,8 @@ static void procgroup_delete (struct procgroup* procgroup, struct reschedule_ctx
     free (mapping);
   }
 
+  proc_env_cleanup (procgroup);
+
   pmm_free (procgroup->pd.cr3_paddr, 1);
 
   free (procgroup->tls.tls_tmpl);