OLE32: fix some warnings found with -Wsign-compare

[Mike McCormack]

ChangeLog:
* fix some warnings found with -Wsign-compare
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Index: dlls/ole32/compobj.c
===================================================================
RCS file: /home/wine/wine/dlls/ole32/compobj.c,v
retrieving revision 1.101
diff -u -r1.101 compobj.c
--- dlls/ole32/compobj.c	2 Aug 2004 18:28:29 -0000	1.101
+++ dlls/ole32/compobj.c	4 Sep 2004 04:40:15 -0000
@@ -1290,7 +1290,7 @@
  *
  *	Reads a registry value and expands it when necessary
  */
-HRESULT compobj_RegReadPath(char * keyname, char * valuename, char * dst, int dstlen)
+HRESULT compobj_RegReadPath(char * keyname, char * valuename, char * dst, DWORD dstlen)
 {
 	HRESULT hres;
 	HKEY key;
@@ -1589,7 +1589,7 @@
   IUnknown* pUnk = NULL;
   HRESULT   hr;
   ULONG     index;
-  int       successCount = 0;
+  ULONG     successCount = 0;
 
   /*
    * Sanity check