File-Open Display Filter is overwritten by Save-As Filename

This issue was migrated from bug 3894 in our old bug tracker.

Original bug information:

Reporter: Geoff Hart
Status: RESOLVED FIXED
Product: Wireshark
Component: GTK+ UI
OS: Windows XP
Platform: x86
Version: 1.2.1

Attachments:

bug3894.patch: Set display filter strings back to NULL after use.
bug3894_2.patch: Fix duplicate idx's. Set display filter strings back to NULL after use.
bug3894_3.patch: Set display filter pointers back to NULL after use. Remove unneeded code.
bug3894_4.patch: Use g_utf16_to_utf8() instead of utf_16to8().
bug3894_5.patch: Use g_utf16_to_utf8(), but save filter for possible reuse.

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