debian: Make sure that libtalloc-dev is installed
This way libosmo-abis, libosmo-sccp, openggsn, openbsc does not
need to install it.
diff --git a/debian/control b/debian/control
index c4de5d2..459030b 100644
--- a/debian/control
+++ b/debian/control
@@ -67,7 +67,7 @@
Package: libosmocore-dev
Section: libdevel
Architecture: any
-Depends: ${misc:Depends}, libosmocore
+Depends: ${misc:Depends}, libosmocore, libtalloc-dev
Multi-Arch: same
Description: Development headers for Open Source MObile COMmunications CORE library