taskmgr: Fix handle leaks.

programs/taskmgr/applpage.c

@@ -891,7 +891,7 @@ ApplicationPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
         UpdateApplicationListControlViewSetting();
 
         /* Start our refresh thread */
-        CreateThread(NULL, 0, ApplicationPageRefreshThread, NULL, 0, NULL);
+        CloseHandle( CreateThread(NULL, 0, ApplicationPageRefreshThread, NULL, 0, NULL));
 
         return TRUE;
 

programs/taskmgr/perfpage.c

@@ -343,7 +343,7 @@ PerformancePageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
         GraphCtrl_SetPlotColor(&PerformancePageMemUsageHistoryGraph, 0, RGB(255, 255, 0)) ;
 		/*  Start our refresh thread */
 #ifdef RUN_PERF_PAGE
-        CreateThread(NULL, 0, PerformancePageRefreshThread, NULL, 0, NULL);
+        CloseHandle( CreateThread(NULL, 0, PerformancePageRefreshThread, NULL, 0, NULL));
 #endif
 
 		/* 

programs/taskmgr/procpage.c

@@ -483,7 +483,7 @@ ProcessPageWndProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
         OldProcessListWndProc = (WNDPROC)SetWindowLongPtrW(hProcessPageListCtrl, GWLP_WNDPROC, (LONG_PTR)ProcessListWndProc);
 
         /* Start our refresh thread */
-         CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL);
+        CloseHandle( CreateThread(NULL, 0, ProcessPageRefreshThread, NULL, 0, NULL));
 
         return TRUE;