osmo_bsc: Add empty osmo_bsc_main.c and hook it into the build
diff --git a/openbsc/configure.in b/openbsc/configure.in
index 80f6fd6..9a77e2a 100644
--- a/openbsc/configure.in
+++ b/openbsc/configure.in
@@ -55,6 +55,7 @@
     src/ipaccess/Makefile
     src/gprs/Makefile
     src/nat/Makefile
+    src/bsc/Makefile
     tests/Makefile
     tests/debug/Makefile
     tests/gsm0408/Makefile