Fixed some issues found by winapi_check.

dlls/commdlg/comdlg32.spec

@@ -21,8 +21,8 @@ debug_channels (commdlg)
 @ stdcall CommDlgExtendedError() CommDlgExtendedError
 @ stdcall FindTextA(ptr) FindTextA
 @ stdcall FindTextW(ptr) FindTextW
-@ stdcall GetFileTitleA(ptr ptr long) GetFileTitleA
-@ stdcall GetFileTitleW(ptr ptr long) GetFileTitleW
+@ stdcall GetFileTitleA(str ptr long) GetFileTitleA
+@ stdcall GetFileTitleW(wstr ptr long) GetFileTitleW
 @ stdcall GetOpenFileNameA(ptr) GetOpenFileNameA
 @ stdcall GetOpenFileNameW(ptr) GetOpenFileNameW
 @ stdcall GetSaveFileNameA(ptr) GetSaveFileNameA
@@ -31,9 +31,9 @@ debug_channels (commdlg)
 @ stdcall PageSetupDlgA(ptr) PageSetupDlgA
 @ stdcall PageSetupDlgW(ptr) PageSetupDlgW
 @ stdcall PrintDlgA(ptr) PrintDlgA
-@ stdcall PrintDlgW(ptr) PrintDlgW
 @ stdcall PrintDlgExA(ptr) PrintDlgExA
 @ stdcall PrintDlgExW(ptr) PrintDlgExW
+@ stdcall PrintDlgW(ptr) PrintDlgW
 @ stdcall ReplaceTextA(ptr) ReplaceTextA
 @ stdcall ReplaceTextW(ptr) ReplaceTextW
 @ stub WantArrows

dlls/setupapi/setupx.spec

@@ -208,7 +208,7 @@ owner	setupapi
 408  stub     IPGETDRIVERDATE
 409  stub     IPGETDRIVERVERSION
 410  stub     IpGetVersionString #(str str ptr word str)
-411  stub     VcpExplain #(ptr long)
+411  pascal   VcpExplain(ptr long) VcpExplain16
 412  stub     DiBuildDriverIndex #(word)
 413  stub     DiAddSingleInfToDrvIdx #(str word word)
 414  stub     FCEGETFLAGS

dlls/user/user.spec

@@ -529,7 +529,7 @@ rsrc	resources/version16.res
 663 stub GetMenuDefaultItem
 664 stub SetMenuDefaultItem
 665 pascal16 GetMenuItemRect(word word word ptr) GetMenuItemRect16
-666 stub CheckMenuRadioItem
+666 pascal16 CheckMenuRadioItem(word word word word word) CheckMenuRadioItem16
 667 stub TrackPopupMenuEx
 668 pascal16 SetWindowRgn(word word word) SetWindowRgn16
 669 stub GetWindowRgn