Correct return type of SysStringLen() and SysStringByteLen().

dlls/oleaut32/oleaut.c

@@ -91,7 +91,7 @@ HMODULE OLEAUT32_hModule = NULL;
  *  calculated by lstrlenW(), since it returns the length that was used to
  *  allocate the string by SysAllocStringLen().
  */
-int WINAPI SysStringLen(BSTR str)
+UINT WINAPI SysStringLen(BSTR str)
 {
     DWORD* bufferPointer;
 
@@ -121,7 +121,7 @@ int WINAPI SysStringLen(BSTR str)
  * NOTES
  *  See SysStringLen(), BSTR().
  */
-int WINAPI SysStringByteLen(BSTR str)
+UINT WINAPI SysStringByteLen(BSTR str)
 {
     DWORD* bufferPointer;
 

include/oleauto.h

@@ -44,8 +44,8 @@ BSTR WINAPI SysAllocStringLen(const OLECHAR*,UINT);
 void WINAPI SysFreeString(BSTR);
 INT  WINAPI SysReAllocString(LPBSTR,const OLECHAR*);
 int  WINAPI SysReAllocStringLen(BSTR*,const OLECHAR*,UINT);
-int  WINAPI SysStringByteLen(BSTR);
-int  WINAPI SysStringLen(BSTR);
+UINT WINAPI SysStringByteLen(BSTR);
+UINT WINAPI SysStringLen(BSTR);
 
 /* IErrorInfo helpers */
 HRESULT WINAPI SetErrorInfo(ULONG,IErrorInfo*);