Fix core dump in QTNodeCompare when tsquery_cmp() is applied to two empty
tree8fdd8135eeb061b087b2d14aa6eb89259db06f01
-rw-r--r-- 1192 COPYRIGHT
-rw-r--r-- 3699 GNUmakefile.in
-rw-r--r-- 1477 Makefile
-rw-r--r-- 1287 README
-rw-r--r-- 820 README.CVS
-rw-r--r-- 387 aclocal.m4
drwxr-xr-x - config
-rwxr-xr-x 844760 configure
-rw-r--r-- 60815 configure.in
drwxr-xr-x - contrib
drwxr-xr-x - doc
drwxr-xr-x - src