新增targetMode 默认值判断

script/module/combat/TargetMode.lua

@@ -280,7 +280,7 @@ end
 	}
  ]]
  local function handler26(attacker,targetMode)
-	local cnt = targetMode[3]
+	local cnt = targetMode[3] or 1
 	local targetCol = targetMode[4]
 	local targetSide = getTargetSide(attacker,targetMode)
 	-- 没有targetCol默认选取目标正前方的列数 warning: 检测是否援军情况 @mafei
@@ -340,7 +340,7 @@ end
 	}
 ]]
 local function handler31(attacker,targetMode)
-	local cnt = targetMode[3]
+	local cnt = targetMode[3] or 1
 	local mode = targetMode[4] or 1
 	local targetSide = getTargetSide(attacker,targetMode)
 	local posList = CombatDefine.COLUMN2POS