Add missing newline

diff --git a/.gitmodules b/.gitmodules
index 32582a4..a3eae5b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,7 @@
 [submodule "CallbackHandler-1.0"]
 	path = libs\CallbackHandler-1.0
 	url = git://github.com/p3lim/CallbackHandler-1.0.git
+
 [submodule "LibDataBroker-1.1"]
 	path = libs\LibDataBroker-1.1
 	url = git://github.com/tekkub/libdatabroker-1.1.git