Make matcha use arg list by default

vim/plugin/matcha.lua

@@ -32,21 +32,21 @@ local function colmatch(str, pattern)
 end
 
 local function findLocations(args)
-	local files = vim.fs.find(function(file)
+	local files if #args>1 then
-		if #args>1 then
+		files = vim.fs.find(function(file)
 			for _, pattern in ipairs(args), args, 1 do
 				if vim.fs.basename(file):find(pattern) then
 					return true
 				end
 			end
-		else
-			return true
-		end
 			return false
 		end, {
 			limit=math.huge;
 			type="file";
 		})
+	else
+		files = vim.fn.argv()
+	end
 
 	local locations = {}