4844. [test] Address memory leaks in libatf-c. [RT #46798]

(cherry picked from commit 1c794002)

CHANGES

+4844.	[test]		Address memory leaks in libatf-c. [RT #46798]
+
 4843.	[bug]		dnssec-signzone free hashlist on exit. [RT #46791]
 
 4842.	[bug]		Conditionally compile opensslecdsa_link.c to avoid

unit/atf-src/atf-c/detail/map.c

@@ -364,6 +364,7 @@ atf_map_insert(atf_map_t *m, const char *key, void *value, bool managed)
             if (atf_is_error(err)) {
                 if (managed)
                     free(value);
+                free(me->m_key);
                 free(me);
             }
         }

unit/atf-src/atf-c/detail/tp_main.c

@@ -285,6 +285,7 @@ list_tcs(const atf_tp_t *tp)
 
         atf_utils_free_charpp(vars);
     }
+    free(tcs);
 }
 
 /* ---------------------------------------------------------------------

unit/atf-src/atf-c/tc.c

@@ -614,7 +614,9 @@ void
 atf_tc_fini(atf_tc_t *tc)
 {
     atf_map_fini(&tc->pimpl->m_vars);
+    atf_map_fini(&tc->pimpl->m_config);
     free(tc->pimpl);
+    tc->pimpl = NULL;
 }
 
 /*