[four-in-a-row] Code convention fixes

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 97217f60928c4a14c297e3ee8b1dc20f1ad0f1d0
Author: Sahil Sareen <sahil sareen hotmail com>
Date:   Tue Oct 21 16:48:43 2014 +0530

    Code convention fixes
    
    Code cleanup as per gnome coding guidelines
    
    https://bugzilla.gnome.org/show_bug.cgi?id=738922

 src/test-ai.vala |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)
---
diff --git a/src/test-ai.vala b/src/test-ai.vala
index f3ff4c1..49bde72 100644
--- a/src/test-ai.vala
+++ b/src/test-ai.vala
@@ -133,17 +133,17 @@ private int test_ai_vs_ai (string easier, string harder)
 
     for (int i = 0; i < NUMBER_GAMES; i++)
     {
-        var e = new StringBuilder();
-        e.append(easier);
+        var e = new StringBuilder ();
+        e.append (easier);
 
-        var m = new StringBuilder();
-        m.append(harder);
+        var m = new StringBuilder ();
+        m.append (harder);
 
         while (true)
         {
             int move;
-            DecisionTree t = new DecisionTree();
-            move = t.playandcheck(e.str);
+            DecisionTree t = new DecisionTree ();
+            move = t.playandcheck (e.str);
             if (move == 0)
             {
                 draw++;
@@ -156,11 +156,11 @@ private int test_ai_vs_ai (string easier, string harder)
                 break;
             }
 
-            e.insert(e.str.length - 1, move.to_string());
-            m.insert(m.str.length - 1, move.to_string());
+            e.insert (e.str.length - 1, move.to_string ());
+            m.insert (m.str.length - 1, move.to_string ());
 
-            DecisionTree d = new DecisionTree();
-            move = d.playandcheck(m.str);
+            DecisionTree d = new DecisionTree ();
+            move = d.playandcheck (m.str);
 
             if (move == 0)
             {
@@ -173,8 +173,8 @@ private int test_ai_vs_ai (string easier, string harder)
                 harder_wins++;
                 break;
             }
-            e.insert(e.str.length - 1, move.to_string());
-            m.insert(m.str.length - 1, move.to_string());
+            e.insert (e.str.length - 1, move.to_string ());
+            m.insert (m.str.length - 1, move.to_string ());
         }
     }
     return easier_wins;