Fixed missing iconv

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@12048 d0543943-73ff-0310-b7d9-9358b9ac24b2

libs/apr-util/CMakeLists.txt

@@ -24,6 +24,8 @@ strmatch/apr_strmatch.c
 xlate/xlate.c 
 )
 
+LINK_LIBRARIES ("-liconv -ldl -lpthread")
+
 ADD_LIBRARY(apr-util STATIC ${apr-util_SRCS})