WebClient js: add missing semicolon

Signed-off-by: Nicola Murino <[email protected]>

templates/webclient/files.html

@@ -261,7 +261,7 @@ explicit grant from the SFTPGo Team ([email protected]).
             "5", "6", "7", "8", "9", "ttcn", "ttcn3", "ttcnpp", "cfg", "ttl", "ts", "tsx", "webidl", "vb", "vbs",
             "vtl", "vhd", "vhdl", "vue", "xml", "xsl", "xsd", "svg", "xy", "xquery", "ys", "yaml", "yml", "z80",
             "mscgen", "mscin", "msc", "xu", "msgenny", "wat", "wast", "env"];
-    const supportedEditFilenames = ["readme", "dockerfile", "pkgbuild"]
+    const supportedEditFilenames = ["readme", "dockerfile", "pkgbuild"];
     //{{- end}}
     function keepAlive() {
         //{{- if not .ShareUploadBaseURL}}