Fix: dl#disable_ld_config_file

linker now quits with exit(1) instead of abort().
This is a leftover of
https://android-review.googlesource.com/c/platform/bionic/+/497893

Bug: 69635156
Test: run dl#disable_ld_config_file in a user build
Change-Id: If65c50805ffe89a601f4a9bfc1c6f0bb8dc16b77
diff --git a/tests/dl_test.cpp b/tests/dl_test.cpp
index d56b017..7444e3a 100644
--- a/tests/dl_test.cpp
+++ b/tests/dl_test.cpp
@@ -255,6 +255,6 @@
   ExecTestHelper eth;
   eth.SetArgs({ helper.c_str(), nullptr });
   eth.SetEnv({ env.c_str(), nullptr });
-  eth.Run([&]() { execve(helper.c_str(), eth.GetArgs(), eth.GetEnv()); }, -6, error_message.c_str());
+  eth.Run([&]() { execve(helper.c_str(), eth.GetArgs(), eth.GetEnv()); }, EXIT_FAILURE, error_message.c_str());
 #endif
 }