Fix some memory leaks found by smatch.

diff --git a/programs/notepad/dialog.c b/programs/notepad/dialog.c
index a99465f..d6a6f4b 100644
--- a/programs/notepad/dialog.c
+++ b/programs/notepad/dialog.c
@@ -491,6 +491,7 @@
 
     EndDoc(printer.hDC);
     DeleteDC(printer.hDC);
+    HeapFree(GetProcessHeap(), 0, pTemp);
 }
 
 VOID DIALOG_FilePrinterSetup(VOID)