Fix outdated documentation link in README.txt
treeccceb9428ed3b96da86efb71522d753b544db8c5
-rw-r--r-- 54 .gitattributes
-rw-r--r-- 48 .gitignore
drwxr-xr-x - BlocksRuntime
-rw-r--r-- 7337 README.txt
-rwxr-xr-x 414 buildlib
-rwxr-xr-x 2944 buildlib-osx
-rwxr-xr-x 3850 checktests
-rw-r--r-- 1369 config.h
-rwxr-xr-x 1364 installlib
-rw-r--r-- 544 sample.c
-rw-r--r-- 340 testprefix.h