C99-style comments cause compile problem on AIX 5.3

[rainer]

Reported by joshvenki:

./encode 0 ./src/slib.c --> x_slib.c
xlc_r -DHAVE_CONFIG_H -I. -I./include -D_THREAD_SAFE -DUSE_MALLOC_LOCK=1 -lm -bI:/lib/pse.exp -bnoipath -O3 -qstrict -D_THREAD_SAFE -DUSE_MALLOC_LOCK=1 -DSH_STANDALONE -o slib.o -c x_slib.c
"x_slib.c", line 2021.15: 1506-046 (S) Syntax error.
"x_slib.c", line 2021.18: 1506-045 (S) Undeclared identifier imax.
make: The error code from the last command is 1.

C99-style comments should be replaced by traditional comment style.

[rainer]

Fixed in changeset [237].