Fix coding style

Author: lorettayao

src/parser.c

@@ -2108,7 +2108,7 @@ void read_expr_operand(block_t *parent, basic_block_t **bb)
                 add_insn(parent, *bb, OP_allocat, compound_var, NULL, NULL, 0,
                          NULL);
                 parse_array_compound_literal(compound_var, parent, bb, true);
-                
+
                 if (compound_var->array_size == 0) {
                     compound_var->init_val = 0;
                     add_insn(parent, *bb, OP_load_constant, compound_var, NULL,