BUG/MINOR: lua: missing "\n" in error message

Just replace ".n" by "\n"

This could be backported until 1.9, but it is not so important.

(cherry picked from commit de6145f747e38a5da455ccb8a84ebfc1cd2f517f)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
diff --git a/src/hlua.c b/src/hlua.c
index f497892..1ecf0c1 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -8004,7 +8004,7 @@
 		lua_pop(gL.T, 1);
 		return -1;
 	case LUA_ERRMEM:
-		memprintf(err, "Lua out of memory error.n");
+		memprintf(err, "Lua out of memory error\n");
 		return -1;
 	case LUA_ERRERR:
 		memprintf(err, "Lua message handler error: %s\n", lua_tostring(gL.T, -1));