screensaver: Fix a bug I introduced during code consolidation

svn path=/trunk/boinc/; revision=17346

checkin_notes

@@ -1976,3 +1976,10 @@ David  22 Feb 2009
         host.inc
     lib/
         coproc.cpp
+
+Charlie 22 Feb 2009
+    - screensaver: Fix a bug I introduced during code consolidation.
+        
+     clientscr/
+        screensaver.cpp
+        screensaver_win.cpp

clientscr/screensaver.cpp

@@ -761,9 +761,6 @@ void *CScreensaver::DataManagementProc()
                 continue;
             }
         }
-#ifdef _WIN32
-        boinc_sleep(1.0);
-#endif
     }   // end while(true)
 }
 

clientscr/screensaver_win.cpp

@@ -195,6 +195,7 @@ CScreensaver::CScreensaver() {
     m_hDataManagementThread = NULL;
     m_hGraphicsApplication = NULL;
     m_bResetCoreState = TRUE;
+    m_QuitDataManagementProc = FALSE;
     memset(&m_running_result, 0, sizeof(m_running_result));
 
     ZeroMemory(m_Monitors, sizeof(m_Monitors));