fix erroneous modification of DTX parameter introduced in previous HSL commit
diff --git a/openbsc/src/libbsc/bsc_init.c b/openbsc/src/libbsc/bsc_init.c
index 37386d7..0072bb6 100644
--- a/openbsc/src/libbsc/bsc_init.c
+++ b/openbsc/src/libbsc/bsc_init.c
@@ -397,7 +397,7 @@
 	if (bts->network->dtx_enabled)
 		bts->si_common.cell_options.dtx = 0;
 	else
-		bts->si_common.cell_options.dtx = 3;
+		bts->si_common.cell_options.dtx = 2;
 
 	bts->si_common.cell_options.pwrc = 0; /* PWRC not set */