Fixed odd compile problem.
diff --git a/diskio-unix.cc b/diskio-unix.cc
index d17fbd3..af71cdb 100644
--- a/diskio-unix.cc
+++ b/diskio-unix.cc
@@ -75,7 +75,7 @@
             if (S_ISDIR(st.st_mode))
                cerr << "The specified path is a directory!\n";
 #if !(defined(__FreeBSD__) || defined(__FreeBSD_kernel__)) \
-			&& !defined(__APPLE__)
+                       && !defined(__APPLE__)
             else if (S_ISCHR(st.st_mode))
                cerr << "The specified path is a character device!\n";
 #endif