Fix test cases' bugs in xts suite (2/2) (dependent pr...

Fix test cases' bugs in xts suite (2/2) (dependent pr https://gitee.com/openharmony/xts_acts/pulls/8683)
fix code format
Issue: https://gitee.com/openharmony/third_party_musl/issues/I6Z32OSigned-off-by: zzulilyw <378305181@qq.com>

libc-test/src/functional/atexit_dlclose.c

@@ -27,7 +27,7 @@ typedef void (* ATEXIT_CB)();
 #define TEST_DSO "/data/tests/libc-test/src/libatexit_dlclose_dso.so"
 #define ATEXIT_CB_NAME "atexit_cb"
 #define ATEXIT_WATCHPOINT_NAME "g_watchpoint"
-static const char* LIBATEXIT_DLCLOSE_DSO_ABSOLUTE_PATH = "/data/tests/libc-test/src/libatexit_dlclose_dso.so";
+static const char* g_libatexitDlcloseDsoAbsolutePath = "/data/tests/libc-test/src/libatexit_dlclose_dso.so";
 
 int fork_main(char *exe)
 {