[clang] [SystemZ][z/OS] Add guard for dl_info and dladdr (PR #75637)

[Abhina Sree via cfe-commits]

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@@ -125,21 +126,28 @@ const std::string &CIndexer::getClangResourcesPath() {
 #elif defined(_AIX)
   getClangResourcesPathImplAIX(LibClangPath);
 #else
+  bool pathFound = false;
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abhina-sree wrote:

thanks, done!

https://github.com/llvm/llvm-project/pull/75637