MINOR: hlua: declare hlua_gethlua() function
Declaring hlua_gethlua() function to make it usable from hlua_fcn.c.
diff --git a/src/hlua.c b/src/hlua.c
index 2c68d4f..98ee441 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -1294,7 +1294,7 @@
* - hlua_gethlua : return the hlua context associated with an lua_State.
* - hlua_sethlua : create the association between hlua context and lua_state.
*/
-static inline struct hlua *hlua_gethlua(lua_State *L)
+inline struct hlua *hlua_gethlua(lua_State *L)
{
struct hlua **hlua = lua_getextraspace(L);
return *hlua;