CoreGdbAdapter: call gdb with LC_ALL=C for untranslated output

- the string in the gdb output by which the exec file is identified is
  subject to localization. Overriding the LC_ALL variable fixes this.

Change-Id: If839ed1daec8cbc0b6a5fefcf28a4eef0423a645
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/debugger/gdb/coregdbadapter.cpp

@@ -100,8 +100,13 @@ QString readExecutableNameFromCore(const QString &debuggerCommand, const QString
     args.append(QLatin1String("-batch"));
     args.append(QLatin1String("-c"));
     args.append(coreFile);
+
     QProcess proc;
+    QStringList envLang = QProcess::systemEnvironment();
+    envLang.replaceInStrings(QRegExp(QLatin1String("^LC_ALL=.*")), QLatin1String("LC_ALL=C"));
+    proc.setEnvironment(envLang);
     proc.start(debuggerCommand, args);
+
     if (proc.waitForFinished()) {
         QByteArray ba = proc.readAllStandardOutput();
         // Core was generated by `/data/dev/creator-2.6/bin/qtcreator'.