Correct the links of the documents.

Issue: https://gitee.com/openharmony/community/issues/I5GAWFSigned-off-by: NYuqiang Xian <xianyuqiang@huawei.com>

sig/sig-compileruntime/sig-compile-runtime.md

 # SIG_COMPILERUNTIME
- English | [简体中文](./sig_compile-runtime_cn.md)
+ English | [简体中文](./sig-compile-runtime_cn.md)
  
  Note: The content of this SIG follows the convention described in OpenHarmony's PMC Management Charter [README](/zh/pmc.md).
 

sig/sig-compileruntime/sig-compile-runtime_cn.md

 # SIG_COMPILERUNTIME
-简体中文 | [English](./sig_compile-runtime.md)
+简体中文 | [English](./sig-compile-runtime.md)
 
 说明：本SIG的内容遵循OpenHarmony的PMC管理章程 [README](/zh/pmc.md)中描述的约定。