Moved more files related to the gsm receiver to the receiver directory.
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index a07a876..931e0c1 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -27,8 +27,8 @@
 list(APPEND gsm_sources
     receiver/receiver_impl.cc
     receiver/receiver_config.cc 
-    viterbi_detector.cc 
-    sch.c
+    receiver/viterbi_detector.cc 
+    receiver/sch.c
     burst_printer/bursts_printer_impl.cc
     )