revert change introduced in tftpd.c revision 1.44

tests/server/tftpd.c

@@ -760,9 +760,9 @@ static void timer(int signum)
  */
 static void sendtftp(struct testcase *test, struct formats *pf)
 {
-  struct tftphdr * volatile dp;
-  struct tftphdr * volatile ap;    /* ack packet */
-  volatile unsigned short block = 1;
+  struct tftphdr *dp;
+  struct tftphdr *ap;    /* ack packet */
+  unsigned short block = 1;
   int size;
   ssize_t n;
 #if defined(HAVE_ALARM) && defined(SIGALRM)
@@ -835,9 +835,9 @@ static void justtimeout(int signum)
  */
 static void recvtftp(struct testcase *test, struct formats *pf)
 {
-  struct tftphdr * volatile dp;
-  struct tftphdr * volatile ap;    /* ack buffer */
-  volatile unsigned short block = 0;
+  struct tftphdr *dp;
+  struct tftphdr *ap;    /* ack buffer */
+  unsigned short block = 0;
   ssize_t n, size;
 #if defined(HAVE_ALARM) && defined(SIGALRM)
   mysignal(SIGALRM, timer);