mpr: Assign to struct instead of using memcpy

[Andrew Talbot]

Changelog:
    mpr: Assign to struct instead of using memcpy.

diff --git a/dlls/mpr/wnet.c b/dlls/mpr/wnet.c
index 36fb93c..17e8195 100644
--- a/dlls/mpr/wnet.c
+++ b/dlls/mpr/wnet.c
@@ -355,7 +355,7 @@ static LPNETRESOURCEW _copyNetResourceForEnumW(LPNETRESOURCEW lpNet)
         {
             size_t len;
 
-            memcpy(ret, lpNet, sizeof(ret));
+            *ret = *lpNet;
             ret->lpLocalName = ret->lpComment = ret->lpProvider = NULL;
             if (lpNet->lpRemoteName)
             {