[Profile indicator] Minor style adjustment

Increase left margin of the profile indicator to adapt better to the new
design of the message header.

Bug: #31
Change-Id: I61b652a2f2fbb34f8acc88c9e501a05359174e4d
diff --git a/src/injections/profileindicator_inject.css b/src/injections/profileindicator_inject.css
index abb5d2c..55a7d63 100644
--- a/src/injections/profileindicator_inject.css
+++ b/src/injections/profileindicator_inject.css
@@ -51,7 +51,7 @@
 .num-posts-indicator {
   display: inline-block;
   padding: 3px 7px;
-  margin-left: 4px;
+  margin-left: 8px;
   border-radius: 16px;
   height: 14px;
   min-width: 12px;