fix loading on 6.3.2

Closes #33

Author: admsyn

OFPlugin/OFPlugin-Info.plist

@@ -31,6 +31,7 @@
 		<string>AD68E85B-441B-4301-B564-A45E4919A6AD</string>
 		<string>A16FF353-8441-459E-A50C-B071F53F51B7</string>
 		<string>9F75337B-21B4-4ADC-B558-F9CADF7073A7</string>
+		<string>E969541F-E6F9-4D25-8158-72DC3545A6C6</string>
 	</array>
 	<key>XC4Compatible</key>
 	<true/>

OFPlugin/OFPlugin.m

@@ -37,14 +37,17 @@ - (id)initWithBundle:(NSBundle *)plugin {
 
 	if (self = [super init]) {
 		self.bundle = plugin;
-		[self generateMenu];
 		_platform = @"osx";
-		_addonsPath = [[NSUserDefaults standardUserDefaults] stringForKey:kOpenFrameworksAddonsPath];
-		if(!_addonsPath) {
-			[self setAddonsPath:[@"~/openFrameworks/addons/" stringByExpandingTildeInPath]];
-		}
-		
-		[self scanAddons];
+
+		[[NSOperationQueue mainQueue] addOperationWithBlock:^{
+			_addonsPath = [[NSUserDefaults standardUserDefaults] stringForKey:kOpenFrameworksAddonsPath];
+			if(!_addonsPath) {
+				[self setAddonsPath:[@"~/openFrameworks/addons/" stringByExpandingTildeInPath]];
+			}
+
+			[self scanAddons];
+			[self generateMenu];
+		}];
 	}
 	return self;
 }