Patch by Malte Marwedel, www.marwedels.de/malte

1. Extract the .zip file into one directory.
2. Download and extract the attachment rfm12_rs232_rxtx_check4_korr.zip from http://www.mikrocontroller.net/topic/71682#1010930 into the same folder.
3. Open a Console and change into this folder.
4. Under Linux run: patch -p0 < rfm12-patch1/rfm12-check4.diff (Sorry, I dont know a windows program for doing the same)
5. Recompile by running make clean; make.
 
