Add nasm/asm support for 64 bit binaries

lxc/execute

@@ -78,6 +78,9 @@ case "$lang" in
 "nasm" | "asm")
     bin=nasm
     ;;
+"nasm64" | "asm64")
+    bin=nasm64
+    ;;
 "node" | "js" | "javascript")
     bin=node
     ;;

lxc/test_all_lxc

@@ -23,8 +23,10 @@ echo 'testing js'
 ../execute js test.js
 echo 'testing kotlin'
 ../execute kotlin test.kt
-echo 'testing asm'
+echo 'testing asm 32 bit'
 ../execute asm test.nasm
+echo 'testing asm 64 bit'
+../execute asm64 test64.nasm
 echo 'testing php'
 ../execute php test.php
 echo 'testing perl'