[Bug] r.geomorphon: Conditional jump or move depends on uninitialised value

[marisn]

Valgrind reports use of unitialized value. Needs to be examined.

==45826== Using Valgrind-3.24.0 and LibVEX; rerun with -h for copyright info ==45826== Command: r.geomorphon elevation=elevation search=36 skip=6 flat=1.0 dist=0.0 comparison=anglev1 forms=test_geomorphons --q ==45826== Parent PID: 45812 ==45826== ==45826== Conditional jump or move depends on uninitialised value(s) ==45826== at 0x10BF77: main (main.c:381) ==45826== ==45826== Conditional jump or move depends on uninitialised value(s) ==45826== at 0x10C0DA: main (main.c:386)