df(1): remove unneeded includes

[Michal Mazurek]

Index: bin/df/ext2fs_df.c
===================================================================
RCS file: /cvs/src/bin/df/ext2fs_df.c,v
retrieving revision 1.15
diff -u -p -r1.15 ext2fs_df.c
--- bin/df/ext2fs_df.c  8 Feb 2016 16:23:54 -0000       1.15
+++ bin/df/ext2fs_df.c  1 Mar 2016 11:26:06 -0000
@@ -42,8 +42,6 @@
 #include <sys/mount.h>
 #include <ufs/ext2fs/ext2fs.h>
 #include <ufs/ext2fs/ext2fs_dinode.h>
-#include <unistd.h>
-#include <stdlib.h>
 #include <string.h>
 
 int            e2fs_df(int, char *, struct statfs *);
Index: bin/df/ffs_df.c
===================================================================
RCS file: /cvs/src/bin/df/ffs_df.c,v
retrieving revision 1.18
diff -u -p -r1.18 ffs_df.c
--- bin/df/ffs_df.c     8 Feb 2016 16:23:54 -0000       1.18
+++ bin/df/ffs_df.c     1 Mar 2016 11:26:06 -0000
@@ -39,8 +39,6 @@
 #include <ufs/ffs/fs.h>
 #include <ufs/ufs/dinode.h>
 
-#include <unistd.h>
-#include <stdlib.h>
 #include <string.h>
 
 int            ffs_df(int, char *, struct statfs *);

-- 
Michal Mazurek