fixup! clean: suggest using core.longPaths if paths are too long to remove

Needed by `en/header-split-cache-h`.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

builtin/clean.c

@@ -19,6 +19,7 @@
 #include "pathspec.h"
 #include "help.h"
 #include "prompt.h"
+#include "advice.h"
 
 static int force = -1; /* unset */
 static int interactive;