comcat: Cast-qual warning fix

[Andrew Talbot]

Changelog:
    comcat: Cast-qual warning fix.

diff -urN a/dlls/comcat/information.c b/dlls/comcat/information.c
--- a/dlls/comcat/information.c	2007-04-03 12:49:55.000000000 +0100
+++ b/dlls/comcat/information.c	2007-07-14 23:14:58.000000000 +0100
@@ -737,6 +737,7 @@
     CLSID_IEnumGUIDImpl *This = (CLSID_IEnumGUIDImpl *)iface;
     static const WCHAR keyname[] = { 'C', 'L', 'S', 'I', 'D', 0 };
     CLSID_IEnumGUIDImpl *new_this;
+    struct class_categories *new_cats;
     DWORD size;
 
     TRACE("\n");
@@ -749,13 +750,14 @@
     new_this->lpVtbl = This->lpVtbl;
     new_this->ref = 1;
     size = HeapSize(GetProcessHeap(), 0, (LPVOID)This->categories);
-    new_this->categories =
+    new_this->categories = new_cats =
 	HeapAlloc(GetProcessHeap(), 0, size);
     if (new_this->categories == NULL) {
 	HeapFree(GetProcessHeap(), 0, new_this);
 	return E_OUTOFMEMORY;
     }
-    memcpy((LPVOID)new_this->categories, This->categories, size);
+    memcpy(new_cats, This->categories, size);
+    new_this->categories = new_cats;
     /* FIXME: could we more efficiently use DuplicateHandle? */
     RegOpenKeyExW(HKEY_CLASSES_ROOT, keyname, 0, KEY_READ, &new_this->key);
     new_this->next_index = This->next_index;