Fixed unclosed quote in error pragma

oleksandr-pavlyk · oleksandr-pavlyk · commit c85571b6063a · 2024-06-03T17:24:13.000-05:00
diff --git a/dpctl/memory/_opaque_smart_ptr.hpp b/dpctl/memory/_opaque_smart_ptr.hpp
@@ -27,7 +27,7 @@
 #pragma once
 
 #ifndef __cplusplus
-#error "C++ is required to compile this file
+#error "C++ is required to compile this file"
 #endif
 
 #include "syclinterface/dpctl_sycl_type_casters.hpp"
