vl: Add a blank space between the variable and '='

Signed-off-by: Kewei Yu <keweihk@gmail.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/vl.c b/vl.c
index 7f4fe0d..2b47866 100644
--- a/vl.c
+++ b/vl.c
@@ -2925,7 +2925,7 @@
 
     bdrv_init_with_whitelist();
 
-    autostart= 1;
+    autostart = 1;
 
     /* first pass of option parsing */
     optind = 1;