Merge pull request #1 from vsevolod-misiul/fix/aarch64-build-fix

For linux on arm64 the long type is not defined, so grab it from ctyp…

Author: cedrik-fuoco-adsk

accelerate/src/vbo.pyx

@@ -1,6 +1,7 @@
 """Cython-coded VBO implementation"""
 #cython: language_level=3
 import ctypes, weakref
+from ctypes import c_long as long
 from OpenGL_accelerate.formathandler cimport FormatHandler
 from OpenGL import error
 from OpenGL._bytes import bytes,unicode