Coverity do not support non-static data initializer

Fixes #3337

src/libsync/discoveryphase.h

@@ -168,7 +168,7 @@ class DiscoveryJob : public QObject {
 
 public:
     explicit DiscoveryJob(CSYNC *ctx, QObject* parent = 0)
-            : QObject(parent), _csync_ctx(ctx) {
+            : QObject(parent), _csync_ctx(ctx), _newSharedFolderSizeLimit(-1) {
         // We need to forward the log property as csync uses thread local
         // and updates run in another thread
         _log_callback = csync_get_log_callback();
@@ -178,7 +178,7 @@ public:
 
     QStringList _selectiveSyncBlackList;
     QStringList _selectiveSyncWhiteList;
-    qint64 _newSharedFolderSizeLimit = 0;
+    qint64 _newSharedFolderSizeLimit;
     Q_INVOKABLE void start();
 signals:
     void finished(int result);

src/libsync/syncengine.cpp

@@ -70,6 +70,7 @@ SyncEngine::SyncEngine(AccountPtr account, CSYNC *ctx, const QString& localPath,
   , _hasRemoveFile(false)
   , _uploadLimit(0)
   , _downloadLimit(0)
+  , _newSharedFolderSizeLimit(-1)
   , _anotherSyncNeeded(false)
 {
     qRegisterMetaType<SyncFileItem>("SyncFileItem");

src/libsync/syncengine.h

@@ -203,7 +203,7 @@ private:
     int _uploadLimit;
     int _downloadLimit;
     /* maximum size a shared folder can have without asking for confirmation: -1 means infinite */
-    qint64 _newSharedFolderSizeLimit = -1;
+    qint64 _newSharedFolderSizeLimit;
 
     // hash containing the permissions on the remote directory
     QHash<QString, QByteArray> _remotePerms;