add test dependency cppcheck readme

diff --git a/readme.md b/readme.md
index 9e5c70bd891464187550146bc59ce5478cf1d9de..26d133cfb6c9c63be1448140525656f7d598c4c1 100644 (file)
--- a/readme.md
+++ b/readme.md
@@ -39,11 +39,12 @@ https://support.alarisworld.com/de-de/s2080w-scanner#Software
 - [netpbm](https://netpbm.sourceforge.net) - write pnm image
 - [imagemagick](https://imagemagick.org/script/magick-core.php) - convert jpg to pnm
 - math - calc bytes per line
-- pthread  - heartbeat interval sleep
+- pthread - heartbeat interval sleep
 
 ### Test dependencies
 
 - [cmocka](https://api.cmocka.org/) - test framwork
+- [cppcheck](http://cppcheck.net/) - static code analysis
 
 ## Build