cabinet: Fix some memory leaks

[Andrew Talbot]

Changelog:
    cabinet: Fix some memory leaks.

diff -urN a/dlls/cabinet/cabinet_main.c b/dlls/cabinet/cabinet_main.c
--- a/dlls/cabinet/cabinet_main.c	2007-09-02 09:31:54.000000000 +0100
+++ b/dlls/cabinet/cabinet_main.c	2007-09-13 14:38:02.000000000 +0100
@@ -229,7 +229,12 @@
                 file_in_list(pDestination->FileList, pfdin->psz1, &node);
 
                 if (node && !node->DoExtract)
+                {
+                    HeapFree(GetProcessHeap(), 0, szFullPath);
+                    HeapFree(GetProcessHeap(), 0, szDirectory);
+
                     return 0;
+                }
 
                 /* create the destination directory if it doesn't exist */
                 if (GetFileAttributesA(szDirectory) == INVALID_FILE_ATTRIBUTES)