macosx: l10n fixes

(cherry picked from commit ad0a2b09)

modules/gui/macosx/coredialogs.m

@@ -230,14 +230,7 @@ static VLCCoreDialogProvider *_o_sharedInstance = nil;
     [super init];
 
     if( !b_nib_loaded )
-    {
         b_nib_loaded = [NSBundle loadNibNamed:@"ErrorPanel" owner:self];
-    
-        /* init strings */
-        [o_window setTitle: _NS("Errors and Warnings")];
-        [o_cleanup_button setTitle: _NS("Clean up")];
-        [o_messages_btn setTitle: _NS("Show Details")];
-    }
 
     /* init data sources */
     o_errors = [[NSMutableArray alloc] init];
@@ -246,6 +239,14 @@ static VLCCoreDialogProvider *_o_sharedInstance = nil;
     return self;
 }
 
+- (void)awakeFromNib
+{
+    /* init strings */
+    [o_window setTitle: _NS("Errors and Warnings")];
+    [o_cleanup_button setTitle: _NS("Clean up")];
+    [o_messages_btn setTitle: _NS("Show Details")];
+}
+
 -(void)dealloc
 {
     [o_errors release];

modules/gui/macosx/intf.m

@@ -662,6 +662,7 @@ static VLCMain *_o_sharedMainInstance = nil;
 
     /* we will need this, so let's load it here so the interface appears to be more responsive */
     nib_open_loaded = [NSBundle loadNibNamed:@"Open" owner: NSApp];
+    [self initStrings];
 }
 
 - (void)initStrings