Fix gcc warnings.

Unused variable and unused typedef in release build.

llvm-svn: 196947
diff --git a/llvm/tools/lli/RemoteTargetExternal.cpp b/llvm/tools/lli/RemoteTargetExternal.cpp
index f6ed849..f8c581d 100644
--- a/llvm/tools/lli/RemoteTargetExternal.cpp
+++ b/llvm/tools/lli/RemoteTargetExternal.cpp
@@ -80,6 +80,7 @@
                                        uint32_t Size,
                                        bool IsCode) {
   int rc;
+  (void)rc;
   uint32_t MsgType = IsCode ? LLI_LoadCodeSection : LLI_LoadDataSection;
   rc = WriteBytes(&MsgType, 4);
   assert(rc == 4 && "Error writing message type.");
@@ -97,6 +98,7 @@
 
 void RemoteTargetExternal::SendExecute(uint64_t Addr) {
   int rc;
+  (void)rc;
   uint32_t MsgType = (uint32_t)LLI_Execute;
   rc = WriteBytes(&MsgType, 4);
   assert(rc == 4 && "Error writing message type.");
@@ -111,6 +113,7 @@
 
 void RemoteTargetExternal::SendTerminate() {
   int rc;
+  (void)rc;
   uint32_t MsgType = (uint32_t)LLI_Terminate;
   rc = WriteBytes(&MsgType, 4);
   assert(rc == 4 && "Error writing message type.");
@@ -121,6 +124,7 @@
 
 void RemoteTargetExternal::Receive(LLIMessageType ExpectedMsgType) {
   int rc;
+  (void)rc;
   uint32_t MsgType;
   rc = ReadBytes(&MsgType, 4);
   assert(rc == 4 && "Error reading message type.");
@@ -140,6 +144,7 @@
 
 void RemoteTargetExternal::Receive(LLIMessageType ExpectedMsgType, uint64_t &Data) {
   int rc;
+  (void)rc;
   uint32_t MsgType;
   rc = ReadBytes(&MsgType, 4);
   assert(rc == 4 && "Error reading message type.");