Add date and time of compilation to the verbose greeting message.

Idea taken from patch #3172: Adds date and time of compile to usage
message


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@642 81a1dc3b-b13d-400b-aceb-764788c761c2

main.c

@@ -946,9 +946,9 @@ int main(int argc, char * argv [])
      * they are running
      */
     fprintf(stderr,
-            "\n%s: Version %s\n"
+            "\n%s: Version %s, compiled on %s at %s\n"
             "%sCopyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/\n\n",
-            progname, version, progbuf);
+            progname, version, __DATE__, __TIME__, progbuf);
   }
 
   if (verbose) {