Fix libc-test build for llvm15

Fix version-script in libc-test
Issue: #I6ID6E
Test: xts pass
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I133b659dba3d320107ec5d0a6c05faf15ad1a14d

libc-test/src/api/main.c

-int main() {}
+int main(void) {}

libc-test/src/functionalext/symver/dso_easy_symver.map

@@ -12,16 +12,16 @@
 # limitations under the License.
 
 OLD {
-	global: dso_easy_symver_old;
+	global: dso_easy_symver;
 	local: *;
 };
 
 STABLE {
-	global: dso_easy_symver_stable;
+	global: dso_easy_symver;
 	local: *;
 };
 
 DEV {
-	global: dso_easy_symver_dev;
+	global: dso_easy_symver;
 	local: *;
 };

libc-test/src/functionalext/symver/dso_hard_symver.map

@@ -12,16 +12,16 @@
 # limitations under the License.
 
 OLD {
-	global: dso_hard_symver_if_old; dso_hard_symver_ld_old;
+	global: dso_hard_symver_if; dso_hard_symver_ld;
 	local: *;
 };
 
 STABLE {
-	global: dso_hard_symver_if_stable; dso_hard_symver_ld_stable;
+	global: dso_hard_symver_if; dso_hard_symver_ld;
 	local: *;
 };
 
 DEV {
-	global: dso_hard_symver_if_dev; dso_hard_symver_ld_dev;
+	global: dso_hard_symver_if; dso_hard_symver_ld;
 	local: *;
 };