TPT memcheck

==28533== Memcheck, a memory error detector
==28533== Copyright (C) 2002-2010, and GNU GPL'd, by Julian Seward et al.
==28533== Using Valgrind-3.6.1 and LibVEX; rerun with -h for copyright info
==28533== Command: build/powder-debug
==28533==
==28533== Invalid read of size 4
==28533==    at 0x804EC3F: resample_img (graphics.c:163)
==28533==    by 0x807654D: search_ui (interface.c:2797)
==28533==    by 0x8081A5D: main (main.c:2875)
==28533==  Address 0x6940b38 is 0 bytes after a block of size 58,752 alloc'd
==28533==    at 0x40277F1: calloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==28533==    by 0x804E8D1: ptif_unpack (graphics.c:105)
==28533==    by 0x807650D: search_ui (interface.c:2795)
==28533==    by 0x8081A5D: main (main.c:2875)
==28533==
==28533== Invalid read of size 4
==28533==    at 0x804EC62: resample_img (graphics.c:164)
==28533==    by 0x807654D: search_ui (interface.c:2797)
==28533==    by 0x8081A5D: main (main.c:2875)
==28533==  Address 0x6940b38 is 0 bytes after a block of size 58,752 alloc'd
==28533==    at 0x40277F1: calloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==28533==    by 0x804E8D1: ptif_unpack (graphics.c:105)
==28533==    by 0x807650D: search_ui (interface.c:2795)
==28533==    by 0x8081A5D: main (main.c:2875)
==28533==
==28533== Invalid read of size 4
==28533==    at 0x804EC26: resample_img (graphics.c:161)
==28533==    by 0x807654D: search_ui (interface.c:2797)
==28533==    by 0x8081A5D: main (main.c:2875)
==28533==  Address 0x6940b38 is 0 bytes after a block of size 58,752 alloc'd
==28533==    at 0x40277F1: calloc (in /usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==28533==    by 0x804E8D1: ptif_unpack (graphics.c:105)
==28533==    by 0x807650D: search_ui (interface.c:2795)
==28533==    by 0x8081A5D: main (main.c:2875)