update makefile with all headers as dependencies

lib/log/taglialegna.c

@@ -1,9 +1,10 @@
-#include <stdarg.h>
 #include <stdio.h>
-#include <string.h>
 #include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
 #include <time.h>
 #include <errno.h>
+#include <pthread.h>
 
 #include <taglialegna.h>
 #include <fileQueue.h>

lib/log/taglialegna.h

@@ -2,6 +2,9 @@
 #ifndef _TAGLIALEGNA
 #define _TAGLIALEGNA
 
+#include <stdio.h>
+#include <pthread.h>
+
 #include <fileQueue.h>
 
 typedef struct taglia_s {