memleak in filter keyspillm0pup

[jaromil]

{ "name":"keyspillm0pup", "type":"filter", "color_model":"rgba8888", "num_params":"13" }

==4474==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 2 byte(s) in 1 object(s) allocated from:

0 0x49a88d in malloc (/home/jrml/frei0r/test/frei0r-test+0x49a88d)

#1 0x7fdcea624cb2 in f0r_construct /home/jrml/frei0r/build/../src/filter/keyspillm0pup/keyspillm0pup.c:833:23                                               #2 0x4cdb61 in main /home/jrml/frei0r/test/frei0r-test.c:126:14
#3 0x7fdd0104fd09 in __libc_start_main csu/../csu/libc-start.c:308:16

SUMMARY: AddressSanitizer: 2 byte(s) leaked in 1 allocation(s).