move include/openbsc to include/osmocom/sgsn

Change-Id: I281ef585fffc2644682c8282224fb1c2da5ca795
diff --git a/configure.ac b/configure.ac
index 55aa7d5..d5d80cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -179,8 +179,9 @@
 
 AC_OUTPUT(
     osmo-sgsn.pc
-    include/openbsc/Makefile
     include/Makefile
+    include/osmocom/Makefile
+    include/osmocom/sgsn/Makefile
     src/Makefile
     src/gprs/Makefile
     tests/Makefile