fix github issue #530 - weapon skill enlightenment

^X feedback and end of game disclosure reported
 Your two weapon skill {is,was} [also] limited by being <skill rating>
 with with <secondary weapon>.
when the skill rating for the secondary weapon is/was less than the
skill rating for two-weapon combat.  The corresponding message for
primary weapon did not duplicate the word "with".

Fixes #530

doc/fixes37.0

@@ -708,6 +708,8 @@ when using 'O' to set menu color patterns, the reminder message that the
 	was sometimes given even when already True
 stair revamp unintentionally resulted in cursed potion of levitation no longer
 	causing hero to hit head on ceiling
+enlightenment/disclosure when wielding two weapons with two-weap skill higher
+	than secondary weapon's skill had "with" duplicated in the feedback
 
 curses: 'msg_window' option wasn't functional for curses unless the binary
 	also included tty support

src/insight.c

@@ -1207,7 +1207,7 @@ weapon_insight(int final)
                     Strcpy(pfx, "Your two weapon skill ");
                     Sprintf(sfx, " %slimited by ", also2);
                     if (sklvl2 > P_ISRESTRICTED)
-                        Sprintf(eos(sfx), "being %s with", sklvlbuf2);
+                        Sprintf(eos(sfx), "being %s", sklvlbuf2);
                     else
                         Strcat(eos(sfx), "having no skill");
                     Sprintf(eos(sfx), " with %s", sknambuf2);