add channel allocator to makefile

diff --git a/src/Makefile.am b/src/Makefile.am
index 0065719..868ac7b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,4 +4,4 @@
 sbin_PROGRAMS = bsc_hack
 
 bsc_hack_SOURCES = bsc_hack.c misdn.c abis_rsl.c abis_nm.c gsm_04_08.c gsm_data.c \
-		gsm_subscriber.c msgb.c select.c
+		gsm_subscriber.c msgb.c select.c chan_alloc.c