remove dependency on bc

diff --git a/patches/rel_comedi b/patches/rel_comedi
index adf81fca91567b88eb4549bcf2b14f5eb0597a80..eb176eb44d7148aa429b40aac4b38387f40f3052 100755 (executable)
--- a/patches/rel_comedi
+++ b/patches/rel_comedi
@@ -15,7 +15,7 @@ else
        minor=$1
 fi
 
-lastminor=$(echo $minor-1|bc)
+let lastminor=$minor-1
 
 tag=r0_7_$minor
 version=0.7.$minor