Correct calling convention for diabloui.h functions

IDA doesn't correctly detect calling convention for functions with no
input/output. As seen in NetInit this should have been __stdcall instead
of __cdecl

DiabloUI/_temp_funcs.h

@@ -157,8 +157,8 @@ int __cdecl DiabloUI_GetSpawned();
 void __stdcall UiOnPaint(int a1);
 void __stdcall UiSetBackgroundBitmap(int a1, PALETTEENTRY *a2, int a3, int a4, int a5);
 void __stdcall UiSetSpawned(BOOL bSpawned);
-void __cdecl UiInitialize();
-void __cdecl UiDestroy();
+void __stdcall UiInitialize();
+void __stdcall UiDestroy();
 void __stdcall UiAppActivate(BOOL bActive);
 BOOL __stdcall DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved);
 void __cdecl j_DiabloUI_cpp_init();

DiabloUI/diabloui.cpp

@@ -98,7 +98,7 @@ void __stdcall UiSetSpawned(BOOL bSpawned)
 // 1002972C: using guessed type int sgbIsSpawn;
 
 // ref: 0x10005C73
-void __cdecl UiInitialize()
+void __stdcall UiInitialize()
 {
 	sgbUiIsInitialized = 1;
 	TitleSnd_InitSoundFunc();
@@ -110,7 +110,7 @@ void __cdecl UiInitialize()
 // 10029714: using guessed type int sgbUiIsInitialized;
 
 // ref: 0x10005C96
-void __cdecl UiDestroy()
+void __stdcall UiDestroy()
 {
 	bn_prof_10002247();
 	local_FreeArtCursor();

DiabloUI/diabloui.h

@@ -25,9 +25,9 @@ struct ProfFntStruct {
 	int field_8;
 };
 
-void __cdecl UiDestroy();
+void __stdcall UiDestroy();
 BOOL __stdcall UiTitleDialog(int a1);
-void __cdecl UiInitialize();
+void __stdcall UiInitialize();
 BOOL __stdcall UiCopyProtError(int *pdwResult);
 void __stdcall UiAppActivate(BOOL bActive);
 BOOL __fastcall UiValidPlayerName(char *name); /* check __stdcall */