fail in initialization if there is no CA bundle (instead of waiting for an...

fail in initialization if there is no CA bundle (instead of waiting for an opaque connection failure)

indra/newview/llappcorehttp.cpp

@@ -154,9 +154,19 @@ void LLAppCoreHttp::init()
 	}
 
 	// Point to our certs or SSH/https: will fail on connect
-	status = LLCore::HttpRequest::setStaticPolicyOption(LLCore::HttpRequest::PO_CA_FILE,
-														LLCore::HttpRequest::GLOBAL_POLICY_ID,
-														gDirUtilp->getCAFile(), NULL);
+    std::string ca_file = gDirUtilp->getCAFile();
+    if ( LLFile::isfile(ca_file) )
+    {
+        LL_DEBUGS("Init") << "Setting CA File to " << ca_file << LL_ENDL;
+        status = LLCore::HttpRequest::setStaticPolicyOption(LLCore::HttpRequest::PO_CA_FILE,
+                                                            LLCore::HttpRequest::GLOBAL_POLICY_ID,
+                                                            ca_file, NULL);
+    }
+    else
+    {
+        LL_ERRS("Init") << "Missing CA File; should be at " << ca_file << LL_ENDL;
+    }
+    
 	if (! status)
 	{
 		LL_ERRS("Init") << "Failed to set CA File for HTTP services.  Reason:  " << status.toString()