adjust path in makefile

Author: sni

Makefile

@@ -218,7 +218,7 @@ version:
 	NEWVERSION=$$(dialog --stdout --inputbox "New Version:" 0 0 "v$$OLDVERSION") && \
 		NEWVERSION=$$(echo $$NEWVERSION | sed "s/^v//g"); \
 		if [ "v$$OLDVERSION" = "v$$NEWVERSION" -o "x$$NEWVERSION" = "x" ]; then echo "no changes"; exit 1; fi; \
-		sed -i -e 's/VERSION =.*/VERSION = "'$$NEWVERSION'"/g' pkg/$(PROJECT)/check.go
+		sed -i -e 's/VERSION =.*/VERSION = "'$$NEWVERSION'"/g' pkg/checker/checker.go
 
 check_prometheus: build