Fix compilation issue in MTLQueryPool::allocate_buffer.

This compilation issue happened due to multiple patches being handled at the same
time one overwriting a correction of the other.

source/blender/gpu/metal/mtl_query.mm

@@ -30,7 +30,7 @@ void MTLQueryPool::allocate_buffer()
 {
   /* Allocate Metal buffer for visibility results. */
   size_t buffer_size_in_bytes = VISIBILITY_COUNT_PER_BUFFER * VISIBILITY_RESULT_SIZE_IN_BYTES;
-  gpu::MTLBuffer *buffer = MTLContext::get_global_memory_manager().allocate_buffer(
+  gpu::MTLBuffer *buffer = MTLContext::get_global_memory_manager().allocate(
       buffer_size_in_bytes, true);
   BLI_assert(buffer);
   buffer_.append(buffer);