Modify sflphone submodule url

Signed-off-by: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
diff --git a/.gitmodules b/.gitmodules
index e208933..6e9a481 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "jni/sflphone"]
 	path = jni/sflphone
-	url = git+ssh://repos-sflphone-git@git.sflphone.org/var/repos/sflphone/git/sflphone.git
+	url = http://git.sflphone.org/sflphone.git