[audacity] Add upstream patch to avoid segfault when starting Effects|Equalization

[David Timms]

commit 8467b47b32cef0e8cfef34159863fbf0705ff47e
Author: David Timms <dtimms at iinet.net.au>
Date:   Sun Sep 22 23:18:38 2013 +1000

    Add upstream patch to avoid segfault when starting Effects|Equalization

 audacity-2.0.4-equalization-segfault.patch |   50 ++++++++++++++++++++++++++++
 1 files changed, 50 insertions(+), 0 deletions(-)
---
diff --git a/audacity-2.0.4-equalization-segfault.patch b/audacity-2.0.4-equalization-segfault.patch
new file mode 100644
index 0000000..fb75c3d
--- /dev/null
+++ b/audacity-2.0.4-equalization-segfault.patch
@@ -0,0 +1,50 @@
+--- src/effects/Equalization.cpp.orig	2013-09-01 08:03:13.000000000 +1000
++++ src/effects/Equalization.cpp	2013-09-22 13:07:32.979172233 +1000
+@@ -1195,10 +1195,8 @@
+ 
+    szrG = new wxBoxSizer( wxHORIZONTAL  );
+    szrG->Add(0, 0, 0); // horizontal spacer, will be used to position LH EQ slider
+-   for (int i = 0; thirdOct[i] <= mHiFreq; ++i)
++   for (int i = 0; (i < NUMBER_OF_BANDS) && (thirdOct[i] <= mHiFreq); ++i)
+    {
+-      if( i == NUMBER_OF_BANDS )
+-         break;
+       m_sliders[i] = new wxSliderBugfix(this, ID_SLIDER + i, 0, -20, +20,
+                         wxDefaultPosition, wxSize(20, 124), wxSL_VERTICAL|
+                          wxSL_INVERSE);
+@@ -1965,10 +1963,8 @@
+ void EqualizationDialog::OnSlider(wxCommandEvent & event)
+ {
+    wxSliderBugfix *s = (wxSliderBugfix *)event.GetEventObject();
+-   for (int i = 0; thirdOct[i] <= mHiFreq; ++i)
++   for (int i = 0; (i < NUMBER_OF_BANDS) && (thirdOct[i] <= mHiFreq); ++i)
+    {
+-      if( i == NUMBER_OF_BANDS )
+-         break;
+       if( s == m_sliders[i])
+       {
+          int posn = m_sliders[i]->GetValue();
+@@ -2041,10 +2037,8 @@
+    double loLog = log10(mLoFreq);
+    double hiLog = log10(mHiFreq);
+    double denom = hiLog - loLog;
+-   for (int i = 1; thirdOct[i] <= mHiFreq; ++i)   //go along the spacers
++   for (int i = 1; (i < NUMBER_OF_BANDS) && (thirdOct[i] <= mHiFreq); ++i)   //go along the spacers
+    {
+-      if( i == NUMBER_OF_BANDS )
+-         break;
+       float posn = range*(log10(thirdOct[i])-loLog)/denom;   //centre of this slider, from start
+       w = start + ((int)(posn+.5)) - EQsliderSize.x/2;   //LH edge of slider, from 0
+       w = w - so_far;   //gap needed to put it here
+@@ -2618,10 +2612,8 @@
+ {
+    if(!drawMode)   // Graphic (Slider) mode. Invert the sliders.
+    {
+-      for (int i = 0; thirdOct[i] <= mHiFreq; ++i)
++      for (int i = 0; (i < NUMBER_OF_BANDS) && (thirdOct[i] <= mHiFreq); ++i)
+       {
+-         if( i == NUMBER_OF_BANDS )
+-            break;
+          m_EQVals[i] = -m_EQVals[i];
+          int newPosn = (int)m_EQVals[i];
+          m_sliders[i]->SetValue( newPosn );