Tidied all includes

src/common.c

@@ -20,14 +20,10 @@
  *
  */
 
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <stdlib.h>
 #include <errno.h>
-#include <stdio.h>
-#include <time.h>
+#include <stdlib.h>
 #include <string.h>
-#include <ctype.h>
+#include <sys/stat.h>
 
 #include <glib.h>