http_c: Update function table

Updated based off information from 3dbrew.

src/core/hle/service/http_c.cpp

@@ -55,6 +55,10 @@ const Interface::FunctionInfo FunctionTable[] = {
     {0x002E0040, nullptr, "DestroyRootCertChain"},
     {0x002F0082, nullptr, "RootCertChainAddCert"},
     {0x00300080, nullptr, "RootCertChainAddDefaultCert"},
+    {0x00310080, nullptr, "RootCertChainRemoveCert"},
+    {0x00320084, nullptr, "OpenClientCertContext"},
+    {0x00330040, nullptr, "OpenDefaultClientCertContext"},
+    {0x00340040, nullptr, "CloseClientCertContext"},
     {0x00350186, nullptr, "SetDefaultProxy"},
     {0x00360000, nullptr, "ClearDNSCache"},
     {0x00370080, nullptr, "SetKeepAlive"},