Add new FPC_NO_DEFAULT_MEMORYMANAGER define for msdos OS

git-svn-id: trunk@33675 -

rtl/msdos/system.pp

@@ -3,6 +3,7 @@ unit System;
 interface
 
 {$DEFINE FPC_NO_DEFAULT_HEAP}
+{$define FPC_NO_DEFAULT_MEMORYMANAGER}
 
 {$DEFINE FPC_INCLUDE_SOFTWARE_MUL}
 {$DEFINE FPC_INCLUDE_SOFTWARE_MOD_DIV}