Fix crashes on TTY frames due to "C-x 6 f"
* src/xdisp.c (redisplay_internal): Revert the recent change regarding TTY frames' garbaged flag. It is not needed. * src/dispnew.c (adjust_frame_glyphs_for_frame_redisplay): When returning due to mismatch between the desired and actual dimensions of the glyph matrix, set the frame's garbaged flag for TTY frames. This avoids crashes when we are later called from redisplay. Reported by Ergus <firstname.lastname@example.org>.
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