fixup??? survey: stub in new experimental 'git-survey' command

Needed now to let t1517 pass.

Signed-off-by: Johannes Schindelin <[email protected]>

Author: dscho

builtin/survey.c

@@ -20,7 +20,8 @@
 #include "color.h"
 
 static const char * const survey_usage[] = {
-	N_("(EXPERIMENTAL!) git survey <options>"),
+	N_("git survey <options>"),
+	N_("(EXPERIMENTAL!)"),
 	NULL,
 };