[luatex] Different behaviour beetween LuaTeX e Lua

[Akira Kakuto]

In the second case when I compile LuaLaTeX file called
LuaBasic_test.tex, it crashes ...

Here it worked if I add a redundant one byte in LuaBasic.c:

typedef struct {
   LUA_NUMBER val[4]; 
} matrix;

Best,
Akira