Apply post review fixes for style in shell

Improve style of the ifdef in OsShellSourceInit().
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I733423ce7e0d923702ea62f9e319a92525ebe161

shell/full/src/base/show.c

@@ -100,16 +100,16 @@ STATIC UINT32 OsShellSourceInit(INT32 consoleId)
         ret = LOS_NOK;
         goto ERR_OUT4;
     }
-    if (consoleId == CONSOLE_TELNET
 #if !defined(LOSCFG_PLATFORM_ROOTFS)
-        /*
-	 * In case of ROOTFS disabled but
-	 * serial console enabled, it is required
-	 * to create Shell task in kernel for it.
-	 */
-        || consoleId == CONSOLE_SERIAL
+    /*
+     * In case of ROOTFS disabled but
+     * serial console enabled, it is required
+     * to create Shell task in kernel for it.
+     */
+    if (consoleId == CONSOLE_TELNET || consoleId == CONSOLE_SERIAL) {
+#else
+    if (consoleId == CONSOLE_TELNET) {
 #endif
-                                        ) {
         ret = OsShellCreateTask(shellCB);
         if (ret != LOS_OK) {
             goto ERR_OUT4;