Update pt.json

Author: Pedro Gonçalves

resources/lang/pt.json

@@ -186,7 +186,7 @@
     "Guatemala": "Guatemala",
     "Guernsey": "Guernsey",
     "Guinea": "Guiné",
-    "Guinea-Bissau": "Guiné-Bissau,
+    "Guinea-Bissau": "Guiné-Bissau",
     "Guyana": "Guiana",
     "Haiti": "Haiti",
     "Heard Island & Mcdonald Islands": "Ilhas Heard e McDonald",