Update dependencies (#975)

vendor/github.com/labstack/echo/v4/context.go

@@ -183,6 +183,9 @@ type (
 		// Logger returns the `Logger` instance.
 		Logger() Logger
 
+		// Set the logger
+		SetLogger(l Logger)
+
 		// Echo returns the `Echo` instance.
 		Echo() *Echo
 
@@ -202,6 +205,7 @@ type (
 		handler  HandlerFunc
 		store    Map
 		echo     *Echo
+		logger   Logger
 		lock     sync.RWMutex
 	}
 )
@@ -347,7 +351,8 @@ func (c *context) FormParams() (url.Values, error) {
 }
 
 func (c *context) FormFile(name string) (*multipart.FileHeader, error) {
-	_, fh, err := c.request.FormFile(name)
+	f, fh, err := c.request.FormFile(name)
+	defer f.Close()
 	return fh, err
 }
 
@@ -597,9 +602,17 @@ func (c *context) SetHandler(h HandlerFunc) {
 }
 
 func (c *context) Logger() Logger {
+	res := c.logger
+	if res != nil {
+		return res
+	}
 	return c.echo.Logger
 }
 
+func (c *context) SetLogger(l Logger) {
+	c.logger = l
+}
+
 func (c *context) Reset(r *http.Request, w http.ResponseWriter) {
 	c.request = r
 	c.response.reset(w)
@@ -608,6 +621,9 @@ func (c *context) Reset(r *http.Request, w http.ResponseWriter) {
 	c.store = nil
 	c.path = ""
 	c.pnames = nil
+	c.logger = nil
 	// NOTE: Don't reset because it has to have length c.echo.maxParam at all times
-	// c.pvalues = nil
+	for i := 0; i < *c.echo.maxParam; i++ {
+		c.pvalues[i] = ""
+	}
 }