(trunk libT) disable the sorted ptrArray assertions in non-mac release builds

configure.ac

@@ -25,6 +25,7 @@ if test m4_substr(peer_id_prefix,6,1) = "0"; then
     CFLAGS="$CFLAGS -g -O3 "
     CXXFLAGS="$CXXFLAGS -g -O3 "
   fi
+  CPPFLAGS="$CPPFLAGS -DNDEBUG"
 else
   supported_build=no
   if test "x$GCC" = "xyes" ; then

libtransmission/ptrarray.c

@@ -186,10 +186,12 @@ static void
 assertSortedAndUnique( const tr_ptrArray * t,
                         int compare(const void*, const void*) )
 {
+#ifndef NDEBUG
     int i;
 
     for( i = 0; i < t->n_items - 2; ++i )
         assert( compare( t->items[i], t->items[i + 1] ) <= 0 );
+#endif
 }
 
 int