Fixed memory leak.

src/ast.c

@@ -79,6 +79,8 @@ void ast_destroy_psv(AST* ast) {
         default:
             log_dbgf("Unknown ast type %d (max: %d)", ast->type, AST_TYPE_MAX);
     }
+
+    free(ast);
 }
 
 void ast_print(AST* ast) { ast_print_i(ast, 0); }

src/gc.c

@@ -25,7 +25,6 @@ void* gc_alloc(size_t sz, GCType type) {
 
 void gc_hack_free() {
     while (gclist) {
-        log_dbgf("freeing %p", gclist);
         GC* gc = gclist;
         gclist = gclist->nxt;
         switch (gc->type) {