Workaround 5.15 deprecations in QTextStreams

Change-Id: Ifc2b7fd353e7c12346e9716115e830679cea7666
Reviewed-by: hjk <hjk@qt.io>

src/plugins/git/gerrit/authenticationdialog.cpp

@@ -39,8 +39,6 @@
 #include <QTextStream>
 #include <QTimer>
 
-using namespace Qt;
-
 namespace Gerrit {
 namespace Internal {
 
@@ -152,10 +150,10 @@ bool AuthenticationDialog::setupCredentials()
             replaceEntry(line, "login", user);
             replaceEntry(line, "password", password);
         }
-        out << line << endl;
+        out << line << '\n';
     }
     if (!found)
-        out << "machine " << m_server->host << " login " << user << " password " << password << endl;
+        out << "machine " << m_server->host << " login " << user << " password " << password << '\n';
     Utils::FileSaver saver(m_netrcFileName, QFile::WriteOnly | QFile::Truncate | QFile::Text);
     saver.write(netrcContents.toUtf8());
     return saver.finalize();

src/plugins/git/gerrit/gerritmodel.cpp

@@ -55,8 +55,6 @@ enum { debug = 0 };
 
 using namespace VcsBase;
 
-using namespace Qt;
-
 namespace Gerrit {
 namespace Internal {
 
@@ -124,7 +122,10 @@ QString GerritPatchSet::approvalsToHtml() const
         str << a.reviewer.fullName;
         if (!a.reviewer.email.isEmpty())
             str << " <a href=\"mailto:" << a.reviewer.email << "\">" << a.reviewer.email << "</a>";
-        str << ": " << forcesign << a.approval << noforcesign;
+        str << ": ";
+        if (a.approval >= 0)
+            str << '+';
+        str << a.approval;
     }
     str << "</tr>\n";
     return result;
@@ -166,7 +167,10 @@ QString GerritPatchSet::approvalsColumn() const
     for (TypeReviewMapConstIterator it = reviews.constBegin(); it != cend; ++it) {
         if (!result.isEmpty())
             str << ' ';
-        str << it.key() << ": " << forcesign << it.value() << noforcesign;
+        str << it.key() << ": ";
+        if (it.value() >= 0)
+            str << '+';
+        str << it.value();
     }
     return result;
 }