cppcheck fix null pointer dereference

client/src/cmdhw.c

@@ -592,12 +592,12 @@ static int CmdLCD(const char *Cmd) {
         arg_param_end
     };
     CLIExecWithReturn(ctx, Cmd, argtable, true);
-    CLIParserFree(ctx);
 
     int r_len = 0;
     uint8_t raw[1] = {0};
     CLIGetHexWithReturn(ctx, 1, raw, &r_len);
     int j = arg_get_int_def(ctx, 2, 1);
+    CLIParserFree(ctx);
     if (j < 1) {
         PrintAndLogEx(WARNING, "Count must be larger than zero");
         return PM3_EINVARG;