Catch exception in lines

changes.txt

@@ -37,7 +37,7 @@ LOVE 0.8.0 [Rubber Piggy]
   * Fixed love.filesystem.lines() leaking.
   * Fixed Source controls inconsistencies.
   * Fixed most leaking on unclosed File objects.
-  * Fixed crash when File:getSize() was called on a non-existent file.
+  * Fixed crashes when operating on non-existent files.
 
   * Renamed SpriteBatch's lock/unlock to bind/unbind.
 

src/modules/filesystem/physfs/wrap_Filesystem.cpp

@@ -221,7 +221,14 @@ namespace physfs
 
 	int w_lines(lua_State * L)
 	{
-		return instance->lines(L);
+		try
+		{
+			return instance->lines(L);
+		}
+		catch (Exception &e)
+		{
+			return luaL_error(L, e.what());
+		}
 	}
 
 	int w_load(lua_State * L)