Remove some unnecessary casts when assigning NULL to handles.

dlls/imm32/imm.c

@@ -46,7 +46,7 @@ typedef struct tagInputContextData
 } InputContextData; 
 
 static InputContextData *root_context = NULL;
-static HWND hwndDefault = (HWND)NULL;
+static HWND hwndDefault = NULL;
 static HANDLE hImeInst;
 static const WCHAR WC_IMECLASSNAME[] = {'W','i','n','e','I','M','E','C','l','a','s','s',0};
 
@@ -68,7 +68,7 @@ static void IMM_Register(void)
     wndClass.lpfnWndProc = IME_WindowProc;
     wndClass.cbClsExtra = 0;
     wndClass.cbWndExtra = 0;
-    wndClass.hCursor = (HCURSOR)NULL;
+    wndClass.hCursor = NULL;
     wndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW +1);
     wndClass.lpszClassName = WC_IMECLASSNAME;
     RegisterClassW(&wndClass);
@@ -76,7 +76,7 @@ static void IMM_Register(void)
 
 static void IMM_Unregister(void)
 {
-    UnregisterClassW(WC_IMECLASSNAME, (HINSTANCE)NULL);
+    UnregisterClassW(WC_IMECLASSNAME, NULL);
 }
 
 

programs/winemenubuilder/winemenubuilder.c

@@ -253,7 +253,7 @@ static BOOL ExtractFromEXEDLL(const char *szFileName, int nIndex, const char *sz
     }
     else
     {
-        hResInfo=(HRSRC)NULL;
+        hResInfo=NULL;
         sEnumRes.pResInfo = &hResInfo;
         sEnumRes.nIndex = nIndex;
         EnumResourceNamesA(hModule, RT_GROUP_ICONA, &EnumResNameProc, (LONG) &sEnumRes);