code-style: cleanup includes

* rm unused include <sys/types.h>
* move <sys/time.h> to main.c, it's the only file that needs it.
* move TV_* macros to main.c
* let *.c files explicitly include what they need instead of including
  them at nsxiv.h

1 files changed, 1 insertions, 0 deletions

diff --git a/commands.c b/commands.c
index 2c4f4a7..8a73462 100644
--- a/commands.c
+++ b/commands.c
@@ -20,6 +20,7 @@
 #include "nsxiv.h"
 
 #include <stdlib.h>
+#include <stdio.h>
 #include <string.h>
 #include <unistd.h>
 #include <sys/wait.h>