Bug 1235238 - Remove unnecessary switch fallthrough to fix -Wimplicit-fallthrough warning in ssltunnel. r=mayhemer

testing/mochitest/ssltunnel/ssltunnel.cpp:1387:5 [-Wimplicit-fallthrough] unannotated fall-through between switch labels

testing/mochitest/ssltunnel/ssltunnel.cpp

@@ -1384,8 +1384,11 @@ int parseConfigFile(const char* filePath)
         return 1;
       }
       b = buffer;
+      continue;
+
     case '\r':
       continue;
+
     default:
       *b++ = c;
     }