[epiphany] Fix code style error in code style guidelines

[Michael Catanzaro <mcatanzaro src gnome org>]

commit d09fb66de740ad81cbd3638887cd8098cce56577
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Sep 12 19:08:02 2016 -0500

    Fix code style error in code style guidelines

 HACKING |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/HACKING b/HACKING
index 4a5894c..604c2ba 100644
--- a/HACKING
+++ b/HACKING
@@ -31,7 +31,7 @@ need to stick to in order to get your patch accepted:
 
 - There's no space between a type cast and the variable name.
 
-  Right: (int*)foo
+  Right: (int *)foo
   Wrong: (int*) foo
 
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