rebar.config: cosmetic: use spaces, not tabs

Change-Id: Ia6a026b51a0219353b1e898d9fc643381e985dc7
---
M rebar.config
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/rebar.config b/rebar.config
index e124ac4..0a62c76 100644
--- a/rebar.config
+++ b/rebar.config
@@ -41,9 +41,9 @@
 {escript_name, "osmo-s1gw"}.
 
 {relx, [{release, {"osmo-s1gw", "0.2.0"}, [osmo_s1gw]},
-	{sys_config, "./config/sys.config"},
-	{dev_mode, true},
-	{include_erts, false},
-	{extended_start_script, true}]}.
+        {sys_config, "./config/sys.config"},
+        {dev_mode, true},
+        {include_erts, false},
+        {extended_start_script, true}]}.
 
 %% vim:set ts=4 sw=4 et:

