Fix use of potentially uninitialized values

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit f083c21276)

k9author/k9newtitle.cpp

@@ -74,7 +74,7 @@ void k9NewTitle::bAddClicked() {
     m_k9Import->getRoot()->listView()->setColumnWidthMode(0,TQListView::Maximum);
     item->setText(1,t.addSecs(fileInfo.getDuration()).toString("hh:mm:ss"));
 
-    double increment;
+    double increment = 5*60*60;
     int maxCh;
     if (rbLength->isOn()) {
         TQTime t;

libk9copy/k9dvd.cpp

@@ -1042,7 +1042,7 @@ TQString &k9DVD::getFormat() {
 }
 
 int k9DVD::getVampsID(int type) {
-    int abase;
+    int abase = 0;
     if (type >= 0x80 && type <= 0x87) {
         // AC3 audio
         abase = 0x80;

libk9copy/k9dvdbackup.cpp

@@ -760,7 +760,7 @@ uint32_t k9DVDBackup::copyVobu(k9DVDFile  *_fileHandle,uint32_t _startSector,k9V
     	m_cellCopyList->addInbytes( DVD_VIDEO_LB_LEN);
     else
     	m_cellCopyList->addFrcinbytes(DVD_VIDEO_LB_LEN);
-    uint32_t end;
+    uint32_t end = 0;
 
     if (badNavPack) {
        setDummyPack(buf);

src/k9play.cpp

@@ -239,9 +239,8 @@ void k9play::play() {
 	    m_startSector=status.sector;
     }
 
-   
-    
-    KTempFile *bufferFile;
+
+    KTempFile *bufferFile = 0;
     if (m_useCache) {
         bufferFile=new KTempFile(locateLocal("tmp", "k9copy/k9p"), "");
         m_output=bufferFile->file();