xdot: [nfc] remove useless default extern declaration of functions in xdot.h

diff --git a/lib/xdot/xdot.h b/lib/xdot/xdot.h
index cc67f9a224f7a4bbdf2df296d2667467e92588b5..280196f654aa77e3b1d5063d3d3602dc82763cf3 100644 (file)
--- a/lib/xdot/xdot.h
+++ b/lib/xdot/xdot.h
@@ -23,7 +23,7 @@ extern "C" {
 #define XDOT_API __declspec(dllimport)
 #endif
 #else
-#define XDOT_API extern
+#define XDOT_API /* nothing */
 #endif
 
 #define INITIAL_XDOT_CAPACITY 512