Cleanup: add semicolon after PyObject_VAR_HEAD

clang-format doesn't expand macros,
add semicolon to prevent misleading formatting.

source/blender/python/gpu/gpu_py_batch.h

@@ -30,9 +30,9 @@ extern PyTypeObject BPyGPUBatch_Type;
 #define BPyGPUBatch_Check(v) (Py_TYPE(v) == &BPyGPUBatch_Type)
 
 typedef struct BPyGPUBatch {
-  PyObject_VAR_HEAD
-      /* The batch is owned, we may support thin wrapped batches later. */
-      struct GPUBatch *batch;
+  PyObject_VAR_HEAD;
+  /* The batch is owned, we may support thin wrapped batches later. */
+  struct GPUBatch *batch;
 #ifdef USE_GPU_PY_REFERENCES
   /* Just to keep a user to prevent freeing buf's we're using */
   PyObject *references;