Fixed typo (#222)

core/resources.js

@@ -890,7 +890,7 @@ var resources = {
     },
     // socket.io
     'socketIO': {
-        'path': 'resources/socket.io/{version}/socket.io.jsm',
+        'path': 'resources/socket.io/{version}/socket.io.min.jsm',
         'type': 'application/javascript'
     },
     // spin.js

modules/internal/targets.js

@@ -680,7 +680,7 @@ const ListOfFiles = {
     'select2.min.css': 'Select2 (CSS)',
     'simplemde.min.css': 'simplemde (CSS)',
     'simplemde.min.jsm': 'simplemde (JS)',
-    'socket.io.jsm': 'Socket.IO',
+    'socket.io.min.jsm': 'Socket.IO',
     'spin.min.jsm': 'spin.js',
     'store.legacy.min.jsm': 'Store.js',
     'swfobject.jsm': 'SWFObject',