Preliminary implementation of the PrintDlgA stub.

diff --git a/include/commdlg.h b/include/commdlg.h
index 1d0103a..2a95455 100644
--- a/include/commdlg.h
+++ b/include/commdlg.h
@@ -667,6 +667,8 @@
 LRESULT WINAPI ReplaceTextDlgProcW(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
 #define ReplaceTextProc WINELIB_NAME_AW(ReplaceTextDlgProc)
 LRESULT WINAPI PrintDlgProc16(HWND16 hWnd, UINT16 wMsg, WPARAM16 wParam, LPARAM lParam);
+LRESULT WINAPI PrintDlgProcA(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
+LRESULT WINAPI PrintDlgProcW(HWND hWnd, UINT wMsg, WPARAM wParam, LPARAM lParam);
 LRESULT WINAPI PrintSetupDlgProc16(HWND16 hWnd, UINT16 wMsg, WPARAM16 wParam, LPARAM lParam);
 LRESULT WINAPI FormatCharDlgProc16(HWND16,UINT16,WPARAM16,LPARAM);
 LRESULT WINAPI FormatCharDlgProcA(HWND,UINT,WPARAM,LPARAM);