Fix: it was possible to set a merc on an intel assignment even though condition should have forbidden it

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8572 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Tactical/Soldier Control.cpp

@@ -17633,6 +17633,10 @@ BOOLEAN	SOLDIERTYPE::CanUseSkill( INT8 iSkill, BOOLEAN fAPCheck, INT32 sGridNo )
 					}
 				}
 			}
+			else
+			{
+				canuse = FALSE;
+			}
 		}
 		break;