call readLine() without arg to be set maxlen=0 as default

Qt dev overloads readline()

call to member function 'readLine' is ambiguous

Thanks to Takahiro Hashimoto for report and fix

BUG: 343851

src/ProcessInfo.cpp

@@ -445,7 +445,7 @@ private:
             QTextStream stream(&statusInfo);
             QString statusLine;
             do {
-                statusLine = stream.readLine(0);
+                statusLine = stream.readLine();
                 if (statusLine.startsWith(QLatin1String("Uid:")))
                     uidLine = statusLine;
             } while (!statusLine.isNull() && uidLine.isNull());