Fixup WebSocket

SignalServiceKit/src/Network/SSKWebSocket.swift

@@ -165,7 +165,7 @@ extension SSKWebSocketImpl: WebSocketDelegate {
 }
 
 private func TextSecureCertificate() -> SSLCert {
-    let data = OWSHTTPSecurityPolicy.dataFromCertificateFile(forService: "textsecure")
+    let data = SSKTextSecureServiceCertificateData()
     return SSLCert(data: data)
 }
 

SignalServiceKit/src/Security/OWSHTTPSecurityPolicy.m

@@ -95,6 +95,11 @@ _out:
     return isValid;
 }
 
+NSData *SSKTextSecureServiceCertificateData()
+{
+    return [OWSHTTPSecurityPolicy dataFromCertificateFileForService:@"textsecure"];
+}
+
 @end
 
 NS_ASSUME_NONNULL_END