Inadvertently checked in changes to IS_ALPHA and Restart. Rolled these back.

src/Audacity.h

@@ -26,7 +26,7 @@
 // We only do alpha builds and release versions.
 // Most of the time we're in development, so IS_ALPHA should be defined
 // to 1.
-#define IS_ALPHA 0
+#define IS_ALPHA 1
 
 // Increment as appropriate every time we release a new version.
 #define AUDACITY_VERSION   2

src/Mix.h

@@ -99,7 +99,6 @@ class AUDACITY_DLL_API Mixer {
    /// Restart processing at beginning of buffer next time
    /// Process() is called.
    void Restart();
-   void Restart( double NewStart ){ mT0 = NewStart; Restart();}
 
    /// Reposition processing to absolute time next time
    /// Process() is called.