wininet: Make WININET_AllocHandle 64-bit safe by using the correct type in the sizeof expression.

dlls/wininet/internet.c

diff --git a/dlls/wininet/internet.c b/dlls/wininet/internet.c
index d06298f..6166ff8 100644
--- a/dlls/wininet/internet.c
+++ b/dlls/wininet/internet.c
@@ -113,7 +113,7 @@
     {
         num = HANDLE_CHUNK_SIZE;
         p = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, 
-                   sizeof (UINT)* num);
+                   sizeof (*WININET_Handles)* num);
         if( !p )
             goto end;
         WININET_Handles = p;
@@ -123,7 +123,7 @@
     {
         num = WININET_dwMaxHandles + HANDLE_CHUNK_SIZE;
         p = HeapReAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
-                   WININET_Handles, sizeof (UINT)* num);
+                   WININET_Handles, sizeof (*WININET_Handles)* num);
         if( !p )
             goto end;
         WININET_Handles = p;