Shut up compiler

svn path=/trunk/mcs/; revision=39757

mcs/class/System.Runtime.Remoting/Makefile

@@ -7,7 +7,7 @@ LIBRARY = System.Runtime.Remoting.dll
 LIB_MCS_FLAGS = /r:$(corlib) /r:System.dll /r:System.Web.dll \
 	/r:System.Xml.dll /r:System.Runtime.Serialization.Formatters.Soap.dll
 
-TEST_MCS_FLAGS = $(LIB_MCS_FLAGS) /r:System.Runtime.Remoting.dll
+TEST_MCS_FLAGS = $(LIB_MCS_FLAGS) -nowarn:618 /r:System.Runtime.Remoting.dll
 
 TEST_MONO_PATH = .