Compile error and warning fixes for DEBUG_CURLIO without CWDEBUG.

indra/llmessage/aicurlthread.cpp

@@ -1613,7 +1613,9 @@ CURLMcode MultiHandle::remove_easy_request(addedEasyRequests_type::iterator cons
   ThreadSafeBufferedCurlEasyRequest* lockobj = iter->get_ptr().get();
 #endif
   mAddedEasyRequests.erase(iter);
+#if CWDEBUG
   Dout(dc::curl, "MultiHandle::remove_easy_request: Removed AICurlEasyRequest " << (void*)lockobj << "; now processing " << mAddedEasyRequests.size() << " easy handles.");
+#endif
 
   // Attempt to add a queued request, if any.
   PerHostRequestQueue_wat(*per_host)->add_queued_to(this);
@@ -2361,10 +2363,10 @@ size_t BufferedCurlEasyRequest::curlHeaderCallback(char* data, size_t size, size
 #if defined(CWDEBUG) || defined(DEBUG_CURLIO)
 int debug_callback(CURL*, curl_infotype infotype, char* buf, size_t size, void* user_ptr)
 {
+  BufferedCurlEasyRequest* request = (BufferedCurlEasyRequest*)user_ptr;
+
 #ifdef CWDEBUG
   using namespace ::libcwd;
-
-  BufferedCurlEasyRequest* request = (BufferedCurlEasyRequest*)user_ptr;
   std::ostringstream marker;
   marker << (void*)request->get_lockobj();
   libcw_do.push_marker();

indra/llmessage/debug_libcurl.cpp

@@ -624,7 +624,7 @@ void debug_curl_easy_reset(CURL* handle)
 
 CURLcode debug_curl_easy_setopt(CURL* handle, CURLoption option, ...)
 {
-  CURLcode ret;
+  CURLcode ret = CURLE_UNKNOWN_OPTION;	// Suppress compiler warning.
   va_list ap;
   union param_type {
 	long along;
@@ -841,7 +841,7 @@ CURLMcode debug_curl_multi_remove_handle(CURLM* multi_handle, CURL* easy_handle)
 
 CURLMcode debug_curl_multi_setopt(CURLM* multi_handle, CURLMoption option, ...)
 {
-  CURLMcode ret;
+  CURLMcode ret = CURLM_UNKNOWN_OPTION;	// Suppress compiler warning.
   va_list ap;
   union param_type {
 	long along;

indra/llqtwebkit/llstyle.cpp

@@ -71,7 +71,7 @@ void LLStyle::drawControl(ControlElement element, const QStyleOption *option, QP
 			QPlastiqueStyle::drawControl(element, &localOption, painter, widget);	
 			return;
 		}
-
+	default:
 	break;
 	}