More osx build fixes

ports/dexed/source/AlgoDisplay.cpp

@@ -29,7 +29,7 @@ AlgoDisplay::AlgoDisplay() {
 
 inline void displayOp(Graphics &g, char id, int x, int y, char link, char fb) {
     const int LINE_SZ = 3;
-    String t(id);
+    const String t = String(id);
 
     x *= 25;
     x += 3;

ports/dexed/source/PluginEditor.cpp

@@ -282,9 +282,9 @@ void DexedAudioProcessorEditor::updateUI() {
 void DexedAudioProcessorEditor::rebuildProgramCombobox() {
     global.programs->clear(dontSendNotification);
     for(int i=0;i<processor->getNumPrograms();i++) {
-        String id;
-        id << (i+1) << ". " << processor->getProgramName(i);
-        global.programs->addItem(id, i+1);
+        String id_;
+        id_ << (i+1) << ". " << processor->getProgramName(i);
+        global.programs->addItem(id_, i+1);
     }
     global.programs->setSelectedId(processor->getCurrentProgram()+1, dontSendNotification);
 }

scripts/generate-ttl.sh

@@ -26,8 +26,10 @@ FOLDERS=`find ./lv2/ -name \*.lv2`
 
 for i in $FOLDERS; do
   cd $i
-  FILE=`ls *.$EXT | sort | head -n 1`
-  $GEN ./$FILE
+  FILE=`ls *.$EXT 2>/dev/null | sort | head -n 1`
+  if [ "$FILE"x != ""x ]; then
+    $GEN ./$FILE
+  fi
   cd ../..
 done