BUG/MINOR: examples/haproxy.init: missing brace in quiet_check()

There is a missing curly brace in the quiet_check function of the example
init script.

[note: This needs to be backported to 1.6]
diff --git a/examples/haproxy.init b/examples/haproxy.init
index d02c367..f08fcb0 100644
--- a/examples/haproxy.init
+++ b/examples/haproxy.init
@@ -94,7 +94,7 @@
   $BIN -c -q -V -f $CFG
 }
 
-quiet_check()
+quiet_check() {
   $BIN -c -q -f $CFG
 }