Xcode 4.4 compile error in DiffMatchPatchTest.m (trivial fix)

What steps will reproduce the problem?
1. Attempt to compile in Xcode 4.4
2. See errors in line 841 of DiffMathPatchTest.m

Please provide any additional information below.

Fix is simple:

--- a/Tests/DiffMatchPatchTest.m
+++ b/Tests/DiffMatchPatchTest.m
@@ -838,8 +838,8 @@
   diffs = [NSMutableArray arrayWithObjects:[Diff diffWithOperation:DIFF_DELETE andText:@"Apple"], [
   STAssertEqualObjects(diffs, [dmp diff_mainOfOldString:@"Apples are a fruit." andNewString:@"Banan

-  diffs = [NSMutableArray arrayWithObjects:[Diff diffWithOperation:DIFF_DELETE 
andText:@"a"], [Diff
-  NSString *aString = [NSString stringWithFormat:@"\U00000680x%C", 0];
+  diffs = [NSMutableArray arrayWithObjects:[Diff diffWithOperation:DIFF_DELETE 
andText:@"a"], [Diff
+  NSString *aString = [NSString stringWithFormat:@"\U00000680x%C", (unichar) 
0];
   STAssertEqualObjects(diffs, [dmp diff_mainOfOldString:@"ax\t" andNewString:aString checkLines:NO]

   diffs = [NSMutableArray arrayWithObjects:[Diff diffWithOperation:DIFF_DELETE andText:@"1"], [Diff

Original issue reported on code.google.com by alans...@gmail.com on 3 Aug 2012 at 12:08

Inizia in Tests/DiffMatchPatchTest.m intorno alla riga 841 e riproduci l'errore di compilazione con Xcode 4.4. Esamina la modifica segnalata dell'argomento di formattazione della stringa, quindi conferma che il target di test Objective-C compili e che il test interessato superi l'esecuzione senza errori.