[System] Fix monotouch* build.

diff --git a/mcs/class/System/Mono.Btls/MonoBtlsX509LookupMono.cs b/mcs/class/System/Mono.Btls/MonoBtlsX509LookupMono.cs
index 9dbecea3e843d15ee77690f77f1ceb8340f054ea..30b2ee3876e4480e4c66d3499bae0158c800da06 100644 (file)
--- a/mcs/class/System/Mono.Btls/MonoBtlsX509LookupMono.cs
+++ b/mcs/class/System/Mono.Btls/MonoBtlsX509LookupMono.cs
@@ -81,7 +81,7 @@ namespace Mono.Btls
                protected abstract MonoBtlsX509 OnGetBySubject (MonoBtlsX509Name name);
 
 #if MONOTOUCH
-               [MonoPInvokeCallback (typeof (BySubjectFunc))]
+               [MonoTouch.MonoPInvokeCallback (typeof (BySubjectFunc))]
 #endif
                static int OnGetBySubject (IntPtr instance, IntPtr name_ptr, out IntPtr x509_ptr)
                {