Add mingw checktests compatibility
treef03454afa39a7a31f18f7ec356fb292d2d936aba
-rw-r--r-- 54 .gitattributes
-rw-r--r-- 41 .gitignore
drwxr-xr-x - BlocksRuntime
-rw-r--r-- 6148 README.txt
-rwxr-xr-x 316 buildlib
-rwxr-xr-x 2797 checktests
-rw-r--r-- 462 config.h
-rwxr-xr-x 1179 installlib
-rw-r--r-- 437 sample.c
-rw-r--r-- 206 testprefix.h