compile bug in latest CVS

[Daniel J S. <dan...@ie...>]

make[1]: Entering directory `/usr/local/src/gnuplot-cutpaste/gnuplot/docs'
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../term -I/usr/X11R6/include -I/usr/local/include -I/usr/local/include -g -O2 -c doc2gih.c
In file included from ../term/post.trm:75,
                 from ../src/term.h:376,
                 from doc2x.h:72,
                 from doc2gih.c:57:
../src/variable.h:85: error: syntax error before "char"