Add version label to 'About' text

Author: theDrake

src/space_merc.h

@@ -200,7 +200,7 @@ static const GPathInfo COMPASS_PATH_INFO = {
 
 static const char *const g_narration_strings[] = {
   "You fell in battle, but your body was found and resuscitated. Soldier on!",
-  "SpaceMerc was designed and programmed by David C. Drake:\n\ndavidcdrake.com",
+  "SpaceMerc v1.8, designed and programmed by David C. Drake:\n\ndavidcdrake.com",
   "Thanks for playing! And special thanks to Team Pebble for creating these wonderful, fun, and useful devices!",
   "Humankind is at war with a hostile alien race known as the Fim.",
   "As an elite interstellar mercenary, your skills are in high demand.",