random bug fixes

core/src/gui/main_window.cpp

@@ -159,10 +159,10 @@ void windowInit() {
     displaymenu::init();
 
     // TODO for 0.2.5
-    // Add "select folder" option for the file source
+    // Add "select file" option for the file source
     // Add default main config to avoid having to ship one
-    // Have a good directory system on both linux and windows (should fix occassional underruns)
-    // Switch to double buffering
+    // Have a good directory system on both linux and windows
+    // Switch to double buffering (should fix occassional underruns)
     // Fix gain not updated on startup, soapysdr
     // Fix memory leak when enabling and disabling repeatedly
 

core/src/gui/widgets/waterfall.h

@@ -9,7 +9,6 @@
 #define WATERFALL_RESOLUTION    1000000
 
 namespace ImGui {
-
     class WaterfallVFO {
     public:
         void setOffset(double offset);

core/src/signal_path/dsp.cpp

@@ -60,7 +60,6 @@ dsp::VFO* SignalPath::addVFO(std::string name, double outSampleRate, double band
     if (vfos.find(name) != vfos.end()) {
         return NULL;
     }
-
     VFO_t vfo;
     vfo.inputStream = new dsp::stream<dsp::complex_t>;
     split.bindStream(vfo.inputStream);
@@ -74,7 +73,6 @@ dsp::VFO* SignalPath::addVFO(std::string name, double outSampleRate, double band
 void SignalPath::removeVFO(std::string name) {
     if (vfos.find(name) == vfos.end()) {
         return;
-        
     }
     VFO_t vfo = vfos[name];
     vfo.vfo->stop();

core/src/signal_path/vfo_manager.cpp

@@ -80,8 +80,8 @@ void VFOManager::deleteVFO(VFOManager::VFO* vfo) {
     if (name == "") {
         return;
     }
-    delete vfo;
     vfos.erase(name);
+    delete vfo;
 }
 
 void VFOManager::setOffset(std::string name, double offset) {