Usage back to stderr.

git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@224 81a1dc3b-b13d-400b-aceb-764788c761c2

main.c

@@ -72,7 +72,7 @@ int do_cycles;   /* track erase-rewrite cycles */
  */
 void usage(void)
 {
-  printf(
+    fprintf(stderr,
     "Usage: %s [options]\n"
     "Options:\n"
     "  -p <partno>                Required. Specify AVR device.\n"
@@ -89,7 +89,7 @@ void usage(void)
     "  -V                         Do not verify.\n"
     "  -t                         Enter terminal mode.\n"
     "  -E <exitspec>[,<exitspec>] List programmer exit specifications.\n"
-		"  -v                         Verbose output. An additional -v can be added.\n"
+    "  -v                         Verbose output. -v -v for more.\n"
     "  -?                         Display this usage.\n"
     "\navrdude project: <URL:http://savannah.nongnu.org/projects/avrdude>\n"
     ,progname);