Fix various OMEMO memleaks

src/omemo/omemo.c

@@ -1363,14 +1363,14 @@ omemo_automatic_start(const char *const recipient)
             } else if (g_list_find_custom(account->omemo_disabled, recipient, (GCompareFunc)g_strcmp0)) {
                 result = FALSE;
             } else {
-                return FALSE;
+                result = FALSE;
             }
             break;
         case PROF_OMEMOPOLICY_ALWAYS:
             if (g_list_find_custom(account->omemo_disabled, recipient, (GCompareFunc)g_strcmp0)) {
                 result = FALSE;
             } else {
-                return TRUE;
+                result = TRUE;
             }
             break;
     }

src/omemo/store.c

@@ -38,10 +38,12 @@
 #include "omemo/omemo.h"
 #include "omemo/store.h"
 
+static void _g_hash_table_free(GHashTable *hash_table);
+
 GHashTable *
 session_store_new(void)
 {
-    return g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
+    return g_hash_table_new_full(g_str_hash, g_str_equal, free, (GDestroyNotify)_g_hash_table_free);
 }
 
 GHashTable *
@@ -441,3 +443,10 @@ load_sender_key(signal_buffer **record, signal_buffer **user_record,
 {
     return SG_SUCCESS;
 }
+
+static void
+_g_hash_table_free(GHashTable *hash_table)
+{
+    g_hash_table_remove_all(hash_table);
+    g_hash_table_unref(hash_table);
+}