This commit fixes the following warning during compilation on Mac OS X:
gcc -DHAVE_CONFIG_H -I. -I.. -I ../lib -I ../common -DSYSCONFDIR=\"/etc\" -DSYSRUNDIR=\"/var\" -g -O2 -Wall -Wformat -Wformat-security -fstack-protector-all -fstack-protector -fPIE -D_FORTIFY_SOURCE=2 -MT fwknopd-incoming_spa.o -MD -MP -MF .deps/fwknopd-incoming_spa.Tpo -c -o fwknopd-incoming_spa.o `test -f 'incoming_spa.c' || echo './'`incoming_spa.c
incoming_spa.c:736:23: warning: absolute value function 'abs' given an argument of
type 'long' but has parameter of type 'int' which may cause truncation of
value [-Wabsolute-value]
ts_diff = abs(now_ts - spadat.timestamp);
^
incoming_spa.c:736:23: note: use function 'labs' instead
ts_diff = abs(now_ts - spadat.timestamp);
^~~
labs
1 warning generated.
e39d34750b