cgraph: [nfc] align storage-class declarations to Graphviz standard in sprint.h

diff --git a/lib/cgraph/sprint.h b/lib/cgraph/sprint.h
index 30cf1f1e27720a75f370391d3d343ca1f283a99e..2584defa10fc2f14cc88845e53b3cf9ca0f4e3fb 100644 (file)
--- a/lib/cgraph/sprint.h
+++ b/lib/cgraph/sprint.h
@@ -6,7 +6,9 @@
 #else
 #define SPRINT_API __declspec(dllimport)
 #endif
-#else
+#endif
+
+#ifndef SPRINT_API
 #define SPRINT_API /* nothing */
 #endif