Release Rollup

1. Wrap the include of sys/time.h in wolfscp.h with a check of configure's
   HAVE_SYS_TIME_H.
2. Add a header check to the configure script.

configure.ac

@@ -56,6 +56,7 @@ AC_CHECK_SIZEOF([off_t])
 
 # Check headers/libs
 AC_CHECK_FUNCS([gethostbyname getaddrinfo gettimeofday inet_ntoa memset socket])
+AC_CHECK_HEADERS([sys/time.h])
 AC_CHECK_LIB([network],[socket])
 AC_CHECK_LIB([wolfssl],[wolfCrypt_Init],,[AC_MSG_ERROR([libwolfssl is required for ${PACKAGE}. It can be obtained from https://www.wolfssl.com/download.html/ .])])
 

wolfssh/wolfscp.h

@@ -53,8 +53,10 @@ extern "C" {
 #endif
 
 #if !defined(WOLFSSH_SCP_USER_CALLBACKS) && !defined(NO_FILESYSTEM)
-    /* for utimes() */
-    #include <sys/time.h>
+    #include <time.h>
+    #ifdef HAVE_SYS_TIME_H
+        #include <sys/time.h>
+    #endif
     #include <errno.h>
 
     typedef struct ScpSendCtx {